Home / 25,557,891.40-38,336,837.10-15,984,080.20

Finding the Fourth Proportional to 25,557,891.40, 38,336,837.10 and 15,984,080.20

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Solution

The fourth proportional to 25,557,891.40, 38,336,837.10 and 15,984,080.20 is: 23,976,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557,891.40 : 38,336,837.10 = 15,984,080.20 : x
  2. Step 2: Convert to fraction form
    25,557,891.40/38,336,837.10 = 15,984,080.20/x
  3. Step 3: Cross multiply
    25,557,891.40x = 38,336,837.10 × 15,984,080.20
  4. Step 4: Simplify right side
    25,557,891.40x = 612,779,078,820,735.38
  5. Step 5: Solve for x
    x = 612,779,078,820,735.38/25,557,891.40
  6. Step 6: Final answer
    x = 23,976,120.30

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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.