Home / 13,139,700.60-19,720,610.10-6,413,863.80

Finding the Fourth Proportional to 13,139,700.60, 19,720,610.10 and 6,413,863.80

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Solution

The fourth proportional to 13,139,700.60, 19,720,610.10 and 6,413,863.80 is: 9,626,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,139,700.60 : 19,720,610.10 = 6,413,863.80 : x
  2. Step 2: Convert to fraction form
    13,139,700.60/19,720,610.10 = 6,413,863.80/x
  3. Step 3: Cross multiply
    13,139,700.60x = 19,720,610.10 × 6,413,863.80
  4. Step 4: Simplify right side
    13,139,700.60x = 126,485,307,234,304.39
  5. Step 5: Solve for x
    x = 126,485,307,234,304.39/13,139,700.60
  6. Step 6: Final answer
    x = 9,626,194.01

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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.