Home / 18,104,051.70-27,156,077.55-15,765,711.30

Finding the Fourth Proportional to 18,104,051.70, 27,156,077.55 and 15,765,711.30

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Solution

The fourth proportional to 18,104,051.70, 27,156,077.55 and 15,765,711.30 is: 23,648,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104,051.70 : 27,156,077.55 = 15,765,711.30 : x
  2. Step 2: Convert to fraction form
    18,104,051.70/27,156,077.55 = 15,765,711.30/x
  3. Step 3: Cross multiply
    18,104,051.70x = 27,156,077.55 × 15,765,711.30
  4. Step 4: Simplify right side
    18,104,051.70x = 428,134,878,693,711.38
  5. Step 5: Solve for x
    x = 428,134,878,693,711.38/18,104,051.70
  6. Step 6: Final answer
    x = 23,648,566.95

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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.