Home / 20,917,264.60-31,375,896.90-7,449,232.60

Finding the Fourth Proportional to 20,917,264.60, 31,375,896.90 and 7,449,232.60

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Solution

The fourth proportional to 20,917,264.60, 31,375,896.90 and 7,449,232.60 is: 11,173,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,917,264.60 : 31,375,896.90 = 7,449,232.60 : x
  2. Step 2: Convert to fraction form
    20,917,264.60/31,375,896.90 = 7,449,232.60/x
  3. Step 3: Cross multiply
    20,917,264.60x = 31,375,896.90 × 7,449,232.60
  4. Step 4: Simplify right side
    20,917,264.60x = 233,726,354,041,718.91
  5. Step 5: Solve for x
    x = 233,726,354,041,718.91/20,917,264.60
  6. Step 6: Final answer
    x = 11,173,848.90

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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.