Home / 21,486,977.60-32,230,466.40-21,061,824.80

Finding the Fourth Proportional to 21,486,977.60, 32,230,466.40 and 21,061,824.80

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Solution

The fourth proportional to 21,486,977.60, 32,230,466.40 and 21,061,824.80 is: 31,592,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486,977.60 : 32,230,466.40 = 21,061,824.80 : x
  2. Step 2: Convert to fraction form
    21,486,977.60/32,230,466.40 = 21,061,824.80/x
  3. Step 3: Cross multiply
    21,486,977.60x = 32,230,466.40 × 21,061,824.80
  4. Step 4: Simplify right side
    21,486,977.60x = 678,832,436,539,086.75
  5. Step 5: Solve for x
    x = 678,832,436,539,086.75/21,486,977.60
  6. Step 6: Final answer
    x = 31,592,737.20

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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.