Home / 10,142,399.41-15,177,233.10-8,780,856.43

Finding the Fourth Proportional to 10,142,399.41, 15,177,233.10 and 8,780,856.43

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Solution

The fourth proportional to 10,142,399.41, 15,177,233.10 and 8,780,856.43 is: 13,139,800.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142,399.41 : 15,177,233.10 = 8,780,856.43 : x
  2. Step 2: Convert to fraction form
    10,142,399.41/15,177,233.10 = 8,780,856.43/x
  3. Step 3: Cross multiply
    10,142,399.41x = 15,177,233.10 × 8,780,856.43
  4. Step 4: Simplify right side
    10,142,399.41x = 133,269,104,855,743.83
  5. Step 5: Solve for x
    x = 133,269,104,855,743.83/10,142,399.41
  6. Step 6: Final answer
    x = 13,139,800.50

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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.