Home / 20,762,627.80-31,138,412.10-6,385,667.80

Finding the Fourth Proportional to 20,762,627.80, 31,138,412.10 and 6,385,667.80

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Solution

The fourth proportional to 20,762,627.80, 31,138,412.10 and 6,385,667.80 is: 9,576,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,762,627.80 : 31,138,412.10 = 6,385,667.80 : x
  2. Step 2: Convert to fraction form
    20,762,627.80/31,138,412.10 = 6,385,667.80/x
  3. Step 3: Cross multiply
    20,762,627.80x = 31,138,412.10 × 6,385,667.80
  4. Step 4: Simplify right side
    20,762,627.80x = 198,839,555,490,100.38
  5. Step 5: Solve for x
    x = 198,839,555,490,100.38/20,762,627.80
  6. Step 6: Final answer
    x = 9,576,801.04

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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.