Home / 12,307,556.40-16,984,179-7,480,215.60

Finding the Fourth Proportional to 12,307,556.40, 16,984,179 and 7,480,215.60

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Solution

The fourth proportional to 12,307,556.40, 16,984,179 and 7,480,215.60 is: 10,322,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,556.40 : 16,984,179 = 7,480,215.60 : x
  2. Step 2: Convert to fraction form
    12,307,556.40/16,984,179 = 7,480,215.60/x
  3. Step 3: Cross multiply
    12,307,556.40x = 16,984,179 × 7,480,215.60
  4. Step 4: Simplify right side
    12,307,556.40x = 127,045,320,708,992.39
  5. Step 5: Solve for x
    x = 127,045,320,708,992.39/12,307,556.40
  6. Step 6: Final answer
    x = 10,322,546.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.