Home / 13,851,002.40-20,776,503.60-6,658,834.20

Finding the Fourth Proportional to 13,851,002.40, 20,776,503.60 and 6,658,834.20

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Solution

The fourth proportional to 13,851,002.40, 20,776,503.60 and 6,658,834.20 is: 9,988,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,002.40 : 20,776,503.60 = 6,658,834.20 : x
  2. Step 2: Convert to fraction form
    13,851,002.40/20,776,503.60 = 6,658,834.20/x
  3. Step 3: Cross multiply
    13,851,002.40x = 20,776,503.60 × 6,658,834.20
  4. Step 4: Simplify right side
    13,851,002.40x = 138,347,292,728,103.14
  5. Step 5: Solve for x
    x = 138,347,292,728,103.14/13,851,002.40
  6. Step 6: Final answer
    x = 9,988,251.30

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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.