Home / 21,386,966.60-32,080,449.90-12,883,910.60

Finding the Fourth Proportional to 21,386,966.60, 32,080,449.90 and 12,883,910.60

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Solution

The fourth proportional to 21,386,966.60, 32,080,449.90 and 12,883,910.60 is: 19,325,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386,966.60 : 32,080,449.90 = 12,883,910.60 : x
  2. Step 2: Convert to fraction form
    21,386,966.60/32,080,449.90 = 12,883,910.60/x
  3. Step 3: Cross multiply
    21,386,966.60x = 32,080,449.90 × 12,883,910.60
  4. Step 4: Simplify right side
    21,386,966.60x = 413,321,648,519,378.94
  5. Step 5: Solve for x
    x = 413,321,648,519,378.94/21,386,966.60
  6. Step 6: Final answer
    x = 19,325,865.90

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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.