Home / 21,781,808.40-32,672,712.60-14,615,446.80

Finding the Fourth Proportional to 21,781,808.40, 32,672,712.60 and 14,615,446.80

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Solution

The fourth proportional to 21,781,808.40, 32,672,712.60 and 14,615,446.80 is: 21,923,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,808.40 : 32,672,712.60 = 14,615,446.80 : x
  2. Step 2: Convert to fraction form
    21,781,808.40/32,672,712.60 = 14,615,446.80/x
  3. Step 3: Cross multiply
    21,781,808.40x = 32,672,712.60 × 14,615,446.80
  4. Step 4: Simplify right side
    21,781,808.40x = 477,526,292,816,989.75
  5. Step 5: Solve for x
    x = 477,526,292,816,989.75/21,781,808.40
  6. Step 6: Final answer
    x = 21,923,170.20

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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.