Home / 19,990,701.76-29,954,654.72-15,452,870.08

Finding the Fourth Proportional to 19,990,701.76, 29,954,654.72 and 15,452,870.08

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Solution

The fourth proportional to 19,990,701.76, 29,954,654.72 and 15,452,870.08 is: 23,155,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,990,701.76 : 29,954,654.72 = 15,452,870.08 : x
  2. Step 2: Convert to fraction form
    19,990,701.76/29,954,654.72 = 15,452,870.08/x
  3. Step 3: Cross multiply
    19,990,701.76x = 29,954,654.72 × 15,452,870.08
  4. Step 4: Simplify right side
    19,990,701.76x = 462,885,387,679,418.75
  5. Step 5: Solve for x
    x = 462,885,387,679,418.75/19,990,701.76
  6. Step 6: Final answer
    x = 23,155,034.44

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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.