Home / 21,892,506.80-32,857,422.60-9,780,609.20

Finding the Fourth Proportional to 21,892,506.80, 32,857,422.60 and 9,780,609.20

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Solution

The fourth proportional to 21,892,506.80, 32,857,422.60 and 9,780,609.20 is: 14,679,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,892,506.80 : 32,857,422.60 = 9,780,609.20 : x
  2. Step 2: Convert to fraction form
    21,892,506.80/32,857,422.60 = 9,780,609.20/x
  3. Step 3: Cross multiply
    21,892,506.80x = 32,857,422.60 × 9,780,609.20
  4. Step 4: Simplify right side
    21,892,506.80x = 321,365,609,769,847.94
  5. Step 5: Solve for x
    x = 321,365,609,769,847.94/21,892,506.80
  6. Step 6: Final answer
    x = 14,679,251.34

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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.