Home / 15,862,690.56-21,890,534.82-8,987,637.36

Finding the Fourth Proportional to 15,862,690.56, 21,890,534.82 and 8,987,637.36

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Solution

The fourth proportional to 15,862,690.56, 21,890,534.82 and 8,987,637.36 is: 12,402,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862,690.56 : 21,890,534.82 = 8,987,637.36 : x
  2. Step 2: Convert to fraction form
    15,862,690.56/21,890,534.82 = 8,987,637.36/x
  3. Step 3: Cross multiply
    15,862,690.56x = 21,890,534.82 × 8,987,637.36
  4. Step 4: Simplify right side
    15,862,690.56x = 196,744,188,578,612.88
  5. Step 5: Solve for x
    x = 196,744,188,578,612.88/15,862,690.56
  6. Step 6: Final answer
    x = 12,402,951.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.