Home / 10,020,452.24-15,033,390.24-7,145,451.20

Finding the Fourth Proportional to 10,020,452.24, 15,033,390.24 and 7,145,451.20

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Solution

The fourth proportional to 10,020,452.24, 15,033,390.24 and 7,145,451.20 is: 10,720,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020,452.24 : 15,033,390.24 = 7,145,451.20 : x
  2. Step 2: Convert to fraction form
    10,020,452.24/15,033,390.24 = 7,145,451.20/x
  3. Step 3: Cross multiply
    10,020,452.24x = 15,033,390.24 × 7,145,451.20
  4. Step 4: Simplify right side
    10,020,452.24x = 107,420,356,330,476.30
  5. Step 5: Solve for x
    x = 107,420,356,330,476.30/10,020,452.24
  6. Step 6: Final answer
    x = 10,720,110.61

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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.