Home / 19,560,218.80-29,350,825.80-8,201,815.60

Finding the Fourth Proportional to 19,560,218.80, 29,350,825.80 and 8,201,815.60

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Solution

The fourth proportional to 19,560,218.80, 29,350,825.80 and 8,201,815.60 is: 12,307,125.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560,218.80 : 29,350,825.80 = 8,201,815.60 : x
  2. Step 2: Convert to fraction form
    19,560,218.80/29,350,825.80 = 8,201,815.60/x
  3. Step 3: Cross multiply
    19,560,218.80x = 29,350,825.80 × 8,201,815.60
  4. Step 4: Simplify right side
    19,560,218.80x = 240,730,060,919,322.47
  5. Step 5: Solve for x
    x = 240,730,060,919,322.47/19,560,218.80
  6. Step 6: Final answer
    x = 12,307,125.16

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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.