Home / 13,394,575.80-20,079,712.02-4,868,890.68

Finding the Fourth Proportional to 13,394,575.80, 20,079,712.02 and 4,868,890.68

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Solution

The fourth proportional to 13,394,575.80, 20,079,712.02 and 4,868,890.68 is: 7,298,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394,575.80 : 20,079,712.02 = 4,868,890.68 : x
  2. Step 2: Convert to fraction form
    13,394,575.80/20,079,712.02 = 4,868,890.68/x
  3. Step 3: Cross multiply
    13,394,575.80x = 20,079,712.02 × 4,868,890.68
  4. Step 4: Simplify right side
    13,394,575.80x = 97,765,922,711,261.97
  5. Step 5: Solve for x
    x = 97,765,922,711,261.97/13,394,575.80
  6. Step 6: Final answer
    x = 7,298,918.92

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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.