Home / 12,753,344.30-19,128,044.50-4,664,428.34

Finding the Fourth Proportional to 12,753,344.30, 19,128,044.50 and 4,664,428.34

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Solution

The fourth proportional to 12,753,344.30, 19,128,044.50 and 4,664,428.34 is: 6,995,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753,344.30 : 19,128,044.50 = 4,664,428.34 : x
  2. Step 2: Convert to fraction form
    12,753,344.30/19,128,044.50 = 4,664,428.34/x
  3. Step 3: Cross multiply
    12,753,344.30x = 19,128,044.50 × 4,664,428.34
  4. Step 4: Simplify right side
    12,753,344.30x = 89,221,392,747,279.83
  5. Step 5: Solve for x
    x = 89,221,392,747,279.83/12,753,344.30
  6. Step 6: Final answer
    x = 6,995,921.28

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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.