Home / 10,921,143.40-16,413,207.90-9,535,460.20

Finding the Fourth Proportional to 10,921,143.40, 16,413,207.90 and 9,535,460.20

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Solution

The fourth proportional to 10,921,143.40, 16,413,207.90 and 9,535,460.20 is: 14,330,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,143.40 : 16,413,207.90 = 9,535,460.20 : x
  2. Step 2: Convert to fraction form
    10,921,143.40/16,413,207.90 = 9,535,460.20/x
  3. Step 3: Cross multiply
    10,921,143.40x = 16,413,207.90 × 9,535,460.20
  4. Step 4: Simplify right side
    10,921,143.40x = 156,507,490,684,775.56
  5. Step 5: Solve for x
    x = 156,507,490,684,775.56/10,921,143.40
  6. Step 6: Final answer
    x = 14,330,687.27

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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.