Home / 28,488,023.70-42,732,035.55-13,371,479.70

Finding the Fourth Proportional to 28,488,023.70, 42,732,035.55 and 13,371,479.70

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Solution

The fourth proportional to 28,488,023.70, 42,732,035.55 and 13,371,479.70 is: 20,057,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,023.70 : 42,732,035.55 = 13,371,479.70 : x
  2. Step 2: Convert to fraction form
    28,488,023.70/42,732,035.55 = 13,371,479.70/x
  3. Step 3: Cross multiply
    28,488,023.70x = 42,732,035.55 × 13,371,479.70
  4. Step 4: Simplify right side
    28,488,023.70x = 571,390,545,896,503.25
  5. Step 5: Solve for x
    x = 571,390,545,896,503.25/28,488,023.70
  6. Step 6: Final answer
    x = 20,057,219.55

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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.