Home / 19,423,548.80-29,135,323.20-6,642,915.20

Finding the Fourth Proportional to 19,423,548.80, 29,135,323.20 and 6,642,915.20

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Solution

The fourth proportional to 19,423,548.80, 29,135,323.20 and 6,642,915.20 is: 9,964,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,548.80 : 29,135,323.20 = 6,642,915.20 : x
  2. Step 2: Convert to fraction form
    19,423,548.80/29,135,323.20 = 6,642,915.20/x
  3. Step 3: Cross multiply
    19,423,548.80x = 29,135,323.20 × 6,642,915.20
  4. Step 4: Simplify right side
    19,423,548.80x = 193,543,481,342,192.62
  5. Step 5: Solve for x
    x = 193,543,481,342,192.62/19,423,548.80
  6. Step 6: Final answer
    x = 9,964,372.80

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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.