Home / 10,195,123.87-15,292,727.03-4,129,970.29

Finding the Fourth Proportional to 10,195,123.87, 15,292,727.03 and 4,129,970.29

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Solution

The fourth proportional to 10,195,123.87, 15,292,727.03 and 4,129,970.29 is: 6,194,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195,123.87 : 15,292,727.03 = 4,129,970.29 : x
  2. Step 2: Convert to fraction form
    10,195,123.87/15,292,727.03 = 4,129,970.29/x
  3. Step 3: Cross multiply
    10,195,123.87x = 15,292,727.03 × 4,129,970.29
  4. Step 4: Simplify right side
    10,195,123.87x = 63,158,508,286,979.94
  5. Step 5: Solve for x
    x = 63,158,508,286,979.94/10,195,123.87
  6. Step 6: Final answer
    x = 6,194,972.13

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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.