Home / 48,072,491.76-72,108,737.64-11,680,695.12

Finding the Fourth Proportional to 48,072,491.76, 72,108,737.64 and 11,680,695.12

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Solution

The fourth proportional to 48,072,491.76, 72,108,737.64 and 11,680,695.12 is: 17,521,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,072,491.76 : 72,108,737.64 = 11,680,695.12 : x
  2. Step 2: Convert to fraction form
    48,072,491.76/72,108,737.64 = 11,680,695.12/x
  3. Step 3: Cross multiply
    48,072,491.76x = 72,108,737.64 × 11,680,695.12
  4. Step 4: Simplify right side
    48,072,491.76x = 842,280,179,860,908.25
  5. Step 5: Solve for x
    x = 842,280,179,860,908.25/48,072,491.76
  6. Step 6: Final answer
    x = 17,521,042.68

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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.