Home / 12,020,610.48-17,987,815.32-10,406,929.92

Finding the Fourth Proportional to 12,020,610.48, 17,987,815.32 and 10,406,929.92

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Solution

The fourth proportional to 12,020,610.48, 17,987,815.32 and 10,406,929.92 is: 15,573,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,610.48 : 17,987,815.32 = 10,406,929.92 : x
  2. Step 2: Convert to fraction form
    12,020,610.48/17,987,815.32 = 10,406,929.92/x
  3. Step 3: Cross multiply
    12,020,610.48x = 17,987,815.32 × 10,406,929.92
  4. Step 4: Simplify right side
    12,020,610.48x = 187,197,933,449,142.38
  5. Step 5: Solve for x
    x = 187,197,933,449,142.38/12,020,610.48
  6. Step 6: Final answer
    x = 15,573,080.40

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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.