Home / 15,415,959.60-21,272,472.60-8,539,157.04

Finding the Fourth Proportional to 15,415,959.60, 21,272,472.60 and 8,539,157.04

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Solution

The fourth proportional to 15,415,959.60, 21,272,472.60 and 8,539,157.04 is: 11,783,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415,959.60 : 21,272,472.60 = 8,539,157.04 : x
  2. Step 2: Convert to fraction form
    15,415,959.60/21,272,472.60 = 8,539,157.04/x
  3. Step 3: Cross multiply
    15,415,959.60x = 21,272,472.60 × 8,539,157.04
  4. Step 4: Simplify right side
    15,415,959.60x = 181,648,984,160,497.09
  5. Step 5: Solve for x
    x = 181,648,984,160,497.09/15,415,959.60
  6. Step 6: Final answer
    x = 11,783,177.23

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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.