Home / 36,487,915.20-54,731,872.80-19,439,812.80

Finding the Fourth Proportional to 36,487,915.20, 54,731,872.80 and 19,439,812.80

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Solution

The fourth proportional to 36,487,915.20, 54,731,872.80 and 19,439,812.80 is: 29,159,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,487,915.20 : 54,731,872.80 = 19,439,812.80 : x
  2. Step 2: Convert to fraction form
    36,487,915.20/54,731,872.80 = 19,439,812.80/x
  3. Step 3: Cross multiply
    36,487,915.20x = 54,731,872.80 × 19,439,812.80
  4. Step 4: Simplify right side
    36,487,915.20x = 1,063,977,361,425,411.88
  5. Step 5: Solve for x
    x = 1,063,977,361,425,411.88/36,487,915.20
  6. Step 6: Final answer
    x = 29,159,719.20

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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.