Home / 12,133,151.20-18,199,726.80-3,497,234.95

Finding the Fourth Proportional to 12,133,151.20, 18,199,726.80 and 3,497,234.95

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Solution

The fourth proportional to 12,133,151.20, 18,199,726.80 and 3,497,234.95 is: 5,245,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133,151.20 : 18,199,726.80 = 3,497,234.95 : x
  2. Step 2: Convert to fraction form
    12,133,151.20/18,199,726.80 = 3,497,234.95/x
  3. Step 3: Cross multiply
    12,133,151.20x = 18,199,726.80 × 3,497,234.95
  4. Step 4: Simplify right side
    12,133,151.20x = 63,648,720,645,411.66
  5. Step 5: Solve for x
    x = 63,648,720,645,411.66/12,133,151.20
  6. Step 6: Final answer
    x = 5,245,852.43

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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.