Home / 21,947,467.60-32,921,201.40-13,885,310.80

Finding the Fourth Proportional to 21,947,467.60, 32,921,201.40 and 13,885,310.80

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Solution

The fourth proportional to 21,947,467.60, 32,921,201.40 and 13,885,310.80 is: 20,827,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947,467.60 : 32,921,201.40 = 13,885,310.80 : x
  2. Step 2: Convert to fraction form
    21,947,467.60/32,921,201.40 = 13,885,310.80/x
  3. Step 3: Cross multiply
    21,947,467.60x = 32,921,201.40 × 13,885,310.80
  4. Step 4: Simplify right side
    21,947,467.60x = 457,121,113,348,395.12
  5. Step 5: Solve for x
    x = 457,121,113,348,395.12/21,947,467.60
  6. Step 6: Final answer
    x = 20,827,966.20

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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.