Home / 28,488,002.70-42,732,004.05-13,371,458.70

Finding the Fourth Proportional to 28,488,002.70, 42,732,004.05 and 13,371,458.70

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Solution

The fourth proportional to 28,488,002.70, 42,732,004.05 and 13,371,458.70 is: 20,057,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,002.70 : 42,732,004.05 = 13,371,458.70 : x
  2. Step 2: Convert to fraction form
    28,488,002.70/42,732,004.05 = 13,371,458.70/x
  3. Step 3: Cross multiply
    28,488,002.70x = 42,732,004.05 × 13,371,458.70
  4. Step 4: Simplify right side
    28,488,002.70x = 571,389,227,322,807.62
  5. Step 5: Solve for x
    x = 571,389,227,322,807.62/28,488,002.70
  6. Step 6: Final answer
    x = 20,057,188.05

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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.