Home / 10,129,156-13,979,566.45-5,777,244.70

Finding the Fourth Proportional to 10,129,156, 13,979,566.45 and 5,777,244.70

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Solution

The fourth proportional to 10,129,156, 13,979,566.45 and 5,777,244.70 is: 7,973,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129,156 : 13,979,566.45 = 5,777,244.70 : x
  2. Step 2: Convert to fraction form
    10,129,156/13,979,566.45 = 5,777,244.70/x
  3. Step 3: Cross multiply
    10,129,156x = 13,979,566.45 × 5,777,244.70
  4. Step 4: Simplify right side
    10,129,156x = 80,763,376,181,560.31
  5. Step 5: Solve for x
    x = 80,763,376,181,560.31/10,129,156
  6. Step 6: Final answer
    x = 7,973,356.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.