Home / 12,671,211.66-17,486,616.38-7,165,410.30

Finding the Fourth Proportional to 12,671,211.66, 17,486,616.38 and 7,165,410.30

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Solution

The fourth proportional to 12,671,211.66, 17,486,616.38 and 7,165,410.30 is: 9,888,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,211.66 : 17,486,616.38 = 7,165,410.30 : x
  2. Step 2: Convert to fraction form
    12,671,211.66/17,486,616.38 = 7,165,410.30/x
  3. Step 3: Cross multiply
    12,671,211.66x = 17,486,616.38 × 7,165,410.30
  4. Step 4: Simplify right side
    12,671,211.66x = 125,298,781,121,400.70
  5. Step 5: Solve for x
    x = 125,298,781,121,400.70/12,671,211.66
  6. Step 6: Final answer
    x = 9,888,460.91

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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.