Home / 9,288,993.78-12,818,841.11-5,159,024.17

Finding the Fourth Proportional to 9,288,993.78, 12,818,841.11 and 5,159,024.17

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Solution

The fourth proportional to 9,288,993.78, 12,818,841.11 and 5,159,024.17 is: 7,119,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,993.78 : 12,818,841.11 = 5,159,024.17 : x
  2. Step 2: Convert to fraction form
    9,288,993.78/12,818,841.11 = 5,159,024.17/x
  3. Step 3: Cross multiply
    9,288,993.78x = 12,818,841.11 × 5,159,024.17
  4. Step 4: Simplify right side
    9,288,993.78x = 66,132,711,180,509.24
  5. Step 5: Solve for x
    x = 66,132,711,180,509.24/9,288,993.78
  6. Step 6: Final answer
    x = 7,119,469.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.