Home / 10,921,160.40-16,413,233.40-9,535,477.20

Finding the Fourth Proportional to 10,921,160.40, 16,413,233.40 and 9,535,477.20

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Solution

The fourth proportional to 10,921,160.40, 16,413,233.40 and 9,535,477.20 is: 14,330,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,160.40 : 16,413,233.40 = 9,535,477.20 : x
  2. Step 2: Convert to fraction form
    10,921,160.40/16,413,233.40 = 9,535,477.20/x
  3. Step 3: Cross multiply
    10,921,160.40x = 16,413,233.40 × 9,535,477.20
  4. Step 4: Simplify right side
    10,921,160.40x = 156,508,012,863,978.47
  5. Step 5: Solve for x
    x = 156,508,012,863,978.47/10,921,160.40
  6. Step 6: Final answer
    x = 14,330,712.78

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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.