Home / 12,219,561.76-16,862,523.60-6,787,397.92

Finding the Fourth Proportional to 12,219,561.76, 16,862,523.60 and 6,787,397.92

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Solution

The fourth proportional to 12,219,561.76, 16,862,523.60 and 6,787,397.92 is: 9,366,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,561.76 : 16,862,523.60 = 6,787,397.92 : x
  2. Step 2: Convert to fraction form
    12,219,561.76/16,862,523.60 = 6,787,397.92/x
  3. Step 3: Cross multiply
    12,219,561.76x = 16,862,523.60 × 6,787,397.92
  4. Step 4: Simplify right side
    12,219,561.76x = 114,452,657,608,590.92
  5. Step 5: Solve for x
    x = 114,452,657,608,590.92/12,219,561.76
  6. Step 6: Final answer
    x = 9,366,347.16

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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.