Home / 21,947,471.60-32,921,207.40-13,885,314.80

Finding the Fourth Proportional to 21,947,471.60, 32,921,207.40 and 13,885,314.80

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Solution

The fourth proportional to 21,947,471.60, 32,921,207.40 and 13,885,314.80 is: 20,827,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947,471.60 : 32,921,207.40 = 13,885,314.80 : x
  2. Step 2: Convert to fraction form
    21,947,471.60/32,921,207.40 = 13,885,314.80/x
  3. Step 3: Cross multiply
    21,947,471.60x = 32,921,207.40 × 13,885,314.80
  4. Step 4: Simplify right side
    21,947,471.60x = 457,121,328,345,089.50
  5. Step 5: Solve for x
    x = 457,121,328,345,089.50/21,947,471.60
  6. Step 6: Final answer
    x = 20,827,972.20

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1.5x scale

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.