Home / 28,633,294.59-39,513,614.29-15,580,328.64

Finding the Fourth Proportional to 28,633,294.59, 39,513,614.29 and 15,580,328.64

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Solution

The fourth proportional to 28,633,294.59, 39,513,614.29 and 15,580,328.64 is: 21,500,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633,294.59 : 39,513,614.29 = 15,580,328.64 : x
  2. Step 2: Convert to fraction form
    28,633,294.59/39,513,614.29 = 15,580,328.64/x
  3. Step 3: Cross multiply
    28,633,294.59x = 39,513,614.29 × 15,580,328.64
  4. Step 4: Simplify right side
    28,633,294.59x = 615,635,096,392,400.25
  5. Step 5: Solve for x
    x = 615,635,096,392,400.25/28,633,294.59
  6. Step 6: Final answer
    x = 21,500,672.74

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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.