Home / 28,485,021.87-42,676,160.09-17,536,156.29

Finding the Fourth Proportional to 28,485,021.87, 42,676,160.09 and 17,536,156.29

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Solution

The fourth proportional to 28,485,021.87, 42,676,160.09 and 17,536,156.29 is: 26,272,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,485,021.87 : 42,676,160.09 = 17,536,156.29 : x
  2. Step 2: Convert to fraction form
    28,485,021.87/42,676,160.09 = 17,536,156.29/x
  3. Step 3: Cross multiply
    28,485,021.87x = 42,676,160.09 × 17,536,156.29
  4. Step 4: Simplify right side
    28,485,021.87x = 748,375,813,107,619.62
  5. Step 5: Solve for x
    x = 748,375,813,107,619.62/28,485,021.87
  6. Step 6: Final answer
    x = 26,272,607.99

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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.