Home / 19,957,307.20-29,935,960.80-13,580,015.20

Finding the Fourth Proportional to 19,957,307.20, 29,935,960.80 and 13,580,015.20

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Solution

The fourth proportional to 19,957,307.20, 29,935,960.80 and 13,580,015.20 is: 20,370,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957,307.20 : 29,935,960.80 = 13,580,015.20 : x
  2. Step 2: Convert to fraction form
    19,957,307.20/29,935,960.80 = 13,580,015.20/x
  3. Step 3: Cross multiply
    19,957,307.20x = 29,935,960.80 × 13,580,015.20
  4. Step 4: Simplify right side
    19,957,307.20x = 406,530,802,690,604.12
  5. Step 5: Solve for x
    x = 406,530,802,690,604.12/19,957,307.20
  6. Step 6: Final answer
    x = 20,370,022.80

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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.