Home / 12,687,478.99-17,508,740.25-6,886,262.86

Finding the Fourth Proportional to 12,687,478.99, 17,508,740.25 and 6,886,262.86

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Solution

The fourth proportional to 12,687,478.99, 17,508,740.25 and 6,886,262.86 is: 9,503,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,478.99 : 17,508,740.25 = 6,886,262.86 : x
  2. Step 2: Convert to fraction form
    12,687,478.99/17,508,740.25 = 6,886,262.86/x
  3. Step 3: Cross multiply
    12,687,478.99x = 17,508,740.25 × 6,886,262.86
  4. Step 4: Simplify right side
    12,687,478.99x = 120,569,787,708,962.12
  5. Step 5: Solve for x
    x = 120,569,787,708,962.12/12,687,478.99
  6. Step 6: Final answer
    x = 9,503,053.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.