Home / 9,513,789.68-13,129,038.20-5,162,876

Finding the Fourth Proportional to 9,513,789.68, 13,129,038.20 and 5,162,876

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Solution

The fourth proportional to 9,513,789.68, 13,129,038.20 and 5,162,876 is: 7,124,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,789.68 : 13,129,038.20 = 5,162,876 : x
  2. Step 2: Convert to fraction form
    9,513,789.68/13,129,038.20 = 5,162,876/x
  3. Step 3: Cross multiply
    9,513,789.68x = 13,129,038.20 × 5,162,876
  4. Step 4: Simplify right side
    9,513,789.68x = 67,783,596,225,863.20
  5. Step 5: Solve for x
    x = 67,783,596,225,863.20/9,513,789.68
  6. Step 6: Final answer
    x = 7,124,773.46

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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.