Home / 28,662,352.02-39,553,770.69-15,609,829.50

Finding the Fourth Proportional to 28,662,352.02, 39,553,770.69 and 15,609,829.50

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Solution

The fourth proportional to 28,662,352.02, 39,553,770.69 and 15,609,829.50 is: 21,541,414.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662,352.02 : 39,553,770.69 = 15,609,829.50 : x
  2. Step 2: Convert to fraction form
    28,662,352.02/39,553,770.69 = 15,609,829.50/x
  3. Step 3: Cross multiply
    28,662,352.02x = 39,553,770.69 × 15,609,829.50
  4. Step 4: Simplify right side
    28,662,352.02x = 617,427,616,552,997.38
  5. Step 5: Solve for x
    x = 617,427,616,552,997.38/28,662,352.02
  6. Step 6: Final answer
    x = 21,541,414.89

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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.