Home / 14,915,920.74-20,583,766.89-8,389,548.24

Finding the Fourth Proportional to 14,915,920.74, 20,583,766.89 and 8,389,548.24

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Solution

The fourth proportional to 14,915,920.74, 20,583,766.89 and 8,389,548.24 is: 11,577,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915,920.74 : 20,583,766.89 = 8,389,548.24 : x
  2. Step 2: Convert to fraction form
    14,915,920.74/20,583,766.89 = 8,389,548.24/x
  3. Step 3: Cross multiply
    14,915,920.74x = 20,583,766.89 × 8,389,548.24
  4. Step 4: Simplify right side
    14,915,920.74x = 172,688,505,284,569.78
  5. Step 5: Solve for x
    x = 172,688,505,284,569.78/14,915,920.74
  6. Step 6: Final answer
    x = 11,577,461.98

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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.