Home / 13,309,854.60-19,964,781.90-4,789,083.90

Finding the Fourth Proportional to 13,309,854.60, 19,964,781.90 and 4,789,083.90

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Solution

The fourth proportional to 13,309,854.60, 19,964,781.90 and 4,789,083.90 is: 7,183,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,854.60 : 19,964,781.90 = 4,789,083.90 : x
  2. Step 2: Convert to fraction form
    13,309,854.60/19,964,781.90 = 4,789,083.90/x
  3. Step 3: Cross multiply
    13,309,854.60x = 19,964,781.90 × 4,789,083.90
  4. Step 4: Simplify right side
    13,309,854.60x = 95,613,015,564,301.41
  5. Step 5: Solve for x
    x = 95,613,015,564,301.41/13,309,854.60
  6. Step 6: Final answer
    x = 7,183,625.85

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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.