Home / 10,178,868.80-15,268,303.20-8,584,545.80

Finding the Fourth Proportional to 10,178,868.80, 15,268,303.20 and 8,584,545.80

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Solution

The fourth proportional to 10,178,868.80, 15,268,303.20 and 8,584,545.80 is: 12,876,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178,868.80 : 15,268,303.20 = 8,584,545.80 : x
  2. Step 2: Convert to fraction form
    10,178,868.80/15,268,303.20 = 8,584,545.80/x
  3. Step 3: Cross multiply
    10,178,868.80x = 15,268,303.20 × 8,584,545.80
  4. Step 4: Simplify right side
    10,178,868.80x = 131,071,448,108,686.56
  5. Step 5: Solve for x
    x = 131,071,448,108,686.56/10,178,868.80
  6. Step 6: Final answer
    x = 12,876,818.70

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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.