Home / 12,578,833.80-18,876,545.10-4,600,657.80

Finding the Fourth Proportional to 12,578,833.80, 18,876,545.10 and 4,600,657.80

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Solution

The fourth proportional to 12,578,833.80, 18,876,545.10 and 4,600,657.80 is: 6,904,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,578,833.80 : 18,876,545.10 = 4,600,657.80 : x
  2. Step 2: Convert to fraction form
    12,578,833.80/18,876,545.10 = 4,600,657.80/x
  3. Step 3: Cross multiply
    12,578,833.80x = 18,876,545.10 × 4,600,657.80
  4. Step 4: Simplify right side
    12,578,833.80x = 86,844,524,451,366.78
  5. Step 5: Solve for x
    x = 86,844,524,451,366.78/12,578,833.80
  6. Step 6: Final answer
    x = 6,904,020.34

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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.