Home / 15,859,835.64-21,887,656.13-8,984,374.20

Finding the Fourth Proportional to 15,859,835.64, 21,887,656.13 and 8,984,374.20

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Solution

The fourth proportional to 15,859,835.64, 21,887,656.13 and 8,984,374.20 is: 12,399,049.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859,835.64 : 21,887,656.13 = 8,984,374.20 : x
  2. Step 2: Convert to fraction form
    15,859,835.64/21,887,656.13 = 8,984,374.20/x
  3. Step 3: Cross multiply
    15,859,835.64x = 21,887,656.13 × 8,984,374.20
  4. Step 4: Simplify right side
    15,859,835.64x = 196,646,892,987,921.97
  5. Step 5: Solve for x
    x = 196,646,892,987,921.97/15,859,835.64
  6. Step 6: Final answer
    x = 12,399,049.87

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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.