Home / 16,979,781.60-25,469,672.40-4,849,221.60

Finding the Fourth Proportional to 16,979,781.60, 25,469,672.40 and 4,849,221.60

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Solution

The fourth proportional to 16,979,781.60, 25,469,672.40 and 4,849,221.60 is: 7,273,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979,781.60 : 25,469,672.40 = 4,849,221.60 : x
  2. Step 2: Convert to fraction form
    16,979,781.60/25,469,672.40 = 4,849,221.60/x
  3. Step 3: Cross multiply
    16,979,781.60x = 25,469,672.40 × 4,849,221.60
  4. Step 4: Simplify right side
    16,979,781.60x = 123,508,085,547,003.83
  5. Step 5: Solve for x
    x = 123,508,085,547,003.83/16,979,781.60
  6. Step 6: Final answer
    x = 7,273,832.40

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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.