Home / 12,359,556.20-18,539,334.30-10,260,036.20

Finding the Fourth Proportional to 12,359,556.20, 18,539,334.30 and 10,260,036.20

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Solution

The fourth proportional to 12,359,556.20, 18,539,334.30 and 10,260,036.20 is: 15,390,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359,556.20 : 18,539,334.30 = 10,260,036.20 : x
  2. Step 2: Convert to fraction form
    12,359,556.20/18,539,334.30 = 10,260,036.20/x
  3. Step 3: Cross multiply
    12,359,556.20x = 18,539,334.30 × 10,260,036.20
  4. Step 4: Simplify right side
    12,359,556.20x = 190,214,241,041,901.66
  5. Step 5: Solve for x
    x = 190,214,241,041,901.66/12,359,556.20
  6. Step 6: Final answer
    x = 15,390,054.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.