Home / 21,836,445.80-32,704,902.30-12,878,493.80

Finding the Fourth Proportional to 21,836,445.80, 32,704,902.30 and 12,878,493.80

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Solution

The fourth proportional to 21,836,445.80, 32,704,902.30 and 12,878,493.80 is: 19,288,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836,445.80 : 32,704,902.30 = 12,878,493.80 : x
  2. Step 2: Convert to fraction form
    21,836,445.80/32,704,902.30 = 12,878,493.80/x
  3. Step 3: Cross multiply
    21,836,445.80x = 32,704,902.30 × 12,878,493.80
  4. Step 4: Simplify right side
    21,836,445.80x = 421,189,881,500,155.75
  5. Step 5: Solve for x
    x = 421,189,881,500,155.75/21,836,445.80
  6. Step 6: Final answer
    x = 19,288,389.94

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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.