Home / 10,921,161.40-16,413,234.90-9,535,478.20

Finding the Fourth Proportional to 10,921,161.40, 16,413,234.90 and 9,535,478.20

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Solution

The fourth proportional to 10,921,161.40, 16,413,234.90 and 9,535,478.20 is: 14,330,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,161.40 : 16,413,234.90 = 9,535,478.20 : x
  2. Step 2: Convert to fraction form
    10,921,161.40/16,413,234.90 = 9,535,478.20/x
  3. Step 3: Cross multiply
    10,921,161.40x = 16,413,234.90 × 9,535,478.20
  4. Step 4: Simplify right side
    10,921,161.40x = 156,508,043,580,429.16
  5. Step 5: Solve for x
    x = 156,508,043,580,429.16/10,921,161.40
  6. Step 6: Final answer
    x = 14,330,714.28

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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.