Home / 21,248,503.70-31,872,755.55-16,996,975.70

Finding the Fourth Proportional to 21,248,503.70, 31,872,755.55 and 16,996,975.70

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Solution

The fourth proportional to 21,248,503.70, 31,872,755.55 and 16,996,975.70 is: 25,495,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,503.70 : 31,872,755.55 = 16,996,975.70 : x
  2. Step 2: Convert to fraction form
    21,248,503.70/31,872,755.55 = 16,996,975.70/x
  3. Step 3: Cross multiply
    21,248,503.70x = 31,872,755.55 × 16,996,975.70
  4. Step 4: Simplify right side
    21,248,503.70x = 541,740,451,575,390.12
  5. Step 5: Solve for x
    x = 541,740,451,575,390.12/21,248,503.70
  6. Step 6: Final answer
    x = 25,495,463.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.