Home / 8,780,900.70-13,171,582.17-2,391,283.74

Finding the Fourth Proportional to 8,780,900.70, 13,171,582.17 and 2,391,283.74

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Solution

The fourth proportional to 8,780,900.70, 13,171,582.17 and 2,391,283.74 is: 3,586,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,900.70 : 13,171,582.17 = 2,391,283.74 : x
  2. Step 2: Convert to fraction form
    8,780,900.70/13,171,582.17 = 2,391,283.74/x
  3. Step 3: Cross multiply
    8,780,900.70x = 13,171,582.17 × 2,391,283.74
  4. Step 4: Simplify right side
    8,780,900.70x = 31,496,990,273,194.92
  5. Step 5: Solve for x
    x = 31,496,990,273,194.92/8,780,900.70
  6. Step 6: Final answer
    x = 3,586,988.55

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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.