Home / 20,726,330.20-31,080,164.10-9,360,928.60

Finding the Fourth Proportional to 20,726,330.20, 31,080,164.10 and 9,360,928.60

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Solution

The fourth proportional to 20,726,330.20, 31,080,164.10 and 9,360,928.60 is: 14,037,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,330.20 : 31,080,164.10 = 9,360,928.60 : x
  2. Step 2: Convert to fraction form
    20,726,330.20/31,080,164.10 = 9,360,928.60/x
  3. Step 3: Cross multiply
    20,726,330.20x = 31,080,164.10 × 9,360,928.60
  4. Step 4: Simplify right side
    20,726,330.20x = 290,939,197,016,383.25
  5. Step 5: Solve for x
    x = 290,939,197,016,383.25/20,726,330.20
  6. Step 6: Final answer
    x = 14,037,178.52

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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.