Home / 10,380,782.61-15,562,306.85-7,338,578.13

Finding the Fourth Proportional to 10,380,782.61, 15,562,306.85 and 7,338,578.13

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Solution

The fourth proportional to 10,380,782.61, 15,562,306.85 and 7,338,578.13 is: 11,001,598.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380,782.61 : 15,562,306.85 = 7,338,578.13 : x
  2. Step 2: Convert to fraction form
    10,380,782.61/15,562,306.85 = 7,338,578.13/x
  3. Step 3: Cross multiply
    10,380,782.61x = 15,562,306.85 × 7,338,578.13
  4. Step 4: Simplify right side
    10,380,782.61x = 114,205,204,665,066.30
  5. Step 5: Solve for x
    x = 114,205,204,665,066.30/10,380,782.61
  6. Step 6: Final answer
    x = 11,001,598.72

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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.