Home / 21,449,539.20-32,156,182.08-9,309,820.80

Finding the Fourth Proportional to 21,449,539.20, 32,156,182.08 and 9,309,820.80

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Solution

The fourth proportional to 21,449,539.20, 32,156,182.08 and 9,309,820.80 is: 13,956,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449,539.20 : 32,156,182.08 = 9,309,820.80 : x
  2. Step 2: Convert to fraction form
    21,449,539.20/32,156,182.08 = 9,309,820.80/x
  3. Step 3: Cross multiply
    21,449,539.20x = 32,156,182.08 × 9,309,820.80
  4. Step 4: Simplify right side
    21,449,539.20x = 299,368,292,776,971.25
  5. Step 5: Solve for x
    x = 299,368,292,776,971.25/21,449,539.20
  6. Step 6: Final answer
    x = 13,956,863.59

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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.