Home / 20,726,412.20-31,080,287.10-9,361,010.60

Finding the Fourth Proportional to 20,726,412.20, 31,080,287.10 and 9,361,010.60

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Solution

The fourth proportional to 20,726,412.20, 31,080,287.10 and 9,361,010.60 is: 14,037,301.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,412.20 : 31,080,287.10 = 9,361,010.60 : x
  2. Step 2: Convert to fraction form
    20,726,412.20/31,080,287.10 = 9,361,010.60/x
  3. Step 3: Cross multiply
    20,726,412.20x = 31,080,287.10 × 9,361,010.60
  4. Step 4: Simplify right side
    20,726,412.20x = 290,942,896,994,143.25
  5. Step 5: Solve for x
    x = 290,942,896,994,143.25/20,726,412.20
  6. Step 6: Final answer
    x = 14,037,301.50

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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.