Home / 40,144,982.40-60,217,473.60-13,215,139.20

Finding the Fourth Proportional to 40,144,982.40, 60,217,473.60 and 13,215,139.20

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Solution

The fourth proportional to 40,144,982.40, 60,217,473.60 and 13,215,139.20 is: 19,822,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,144,982.40 : 60,217,473.60 = 13,215,139.20 : x
  2. Step 2: Convert to fraction form
    40,144,982.40/60,217,473.60 = 13,215,139.20/x
  3. Step 3: Cross multiply
    40,144,982.40x = 60,217,473.60 × 13,215,139.20
  4. Step 4: Simplify right side
    40,144,982.40x = 795,782,295,896,325.12
  5. Step 5: Solve for x
    x = 795,782,295,896,325.12/40,144,982.40
  6. Step 6: Final answer
    x = 19,822,708.80

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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.