Home / 31,948,182.70-47,964,801.70-21,608,136.88

Finding the Fourth Proportional to 31,948,182.70, 47,964,801.70 and 21,608,136.88

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Solution

The fourth proportional to 31,948,182.70, 47,964,801.70 and 21,608,136.88 is: 32,440,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948,182.70 : 47,964,801.70 = 21,608,136.88 : x
  2. Step 2: Convert to fraction form
    31,948,182.70/47,964,801.70 = 21,608,136.88/x
  3. Step 3: Cross multiply
    31,948,182.70x = 47,964,801.70 × 21,608,136.88
  4. Step 4: Simplify right side
    31,948,182.70x = 1,036,430,000,555,656.75
  5. Step 5: Solve for x
    x = 1,036,430,000,555,656.75/31,948,182.70
  6. Step 6: Final answer
    x = 32,440,968.87

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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.