Home / 20,726,412.70-31,080,287.85-9,361,011.10

Finding the Fourth Proportional to 20,726,412.70, 31,080,287.85 and 9,361,011.10

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Solution

The fourth proportional to 20,726,412.70, 31,080,287.85 and 9,361,011.10 is: 14,037,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,412.70 : 31,080,287.85 = 9,361,011.10 : x
  2. Step 2: Convert to fraction form
    20,726,412.70/31,080,287.85 = 9,361,011.10/x
  3. Step 3: Cross multiply
    20,726,412.70x = 31,080,287.85 × 9,361,011.10
  4. Step 4: Simplify right side
    20,726,412.70x = 290,942,919,555,045.12
  5. Step 5: Solve for x
    x = 290,942,919,555,045.12/20,726,412.70
  6. Step 6: Final answer
    x = 14,037,302.25

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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.