Home / 12,030,712.80-18,046,069.20-9,196,360.80

Finding the Fourth Proportional to 12,030,712.80, 18,046,069.20 and 9,196,360.80

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Solution

The fourth proportional to 12,030,712.80, 18,046,069.20 and 9,196,360.80 is: 13,794,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030,712.80 : 18,046,069.20 = 9,196,360.80 : x
  2. Step 2: Convert to fraction form
    12,030,712.80/18,046,069.20 = 9,196,360.80/x
  3. Step 3: Cross multiply
    12,030,712.80x = 18,046,069.20 × 9,196,360.80
  4. Step 4: Simplify right side
    12,030,712.80x = 165,958,163,384,967.38
  5. Step 5: Solve for x
    x = 165,958,163,384,967.38/12,030,712.80
  6. Step 6: Final answer
    x = 13,794,541.20

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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.