Home / 28,371,909.64-42,563,842.20-9,201,171.88

Finding the Fourth Proportional to 28,371,909.64, 42,563,842.20 and 9,201,171.88

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Solution

The fourth proportional to 28,371,909.64, 42,563,842.20 and 9,201,171.88 is: 13,803,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,909.64 : 42,563,842.20 = 9,201,171.88 : x
  2. Step 2: Convert to fraction form
    28,371,909.64/42,563,842.20 = 9,201,171.88/x
  3. Step 3: Cross multiply
    28,371,909.64x = 42,563,842.20 × 9,201,171.88
  4. Step 4: Simplify right side
    28,371,909.64x = 391,637,227,955,397.38
  5. Step 5: Solve for x
    x = 391,637,227,955,397.38/28,371,909.64
  6. Step 6: Final answer
    x = 13,803,696.44

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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.