Home / 20,348,620.40-30,526,867.20-5,972,157.20

Finding the Fourth Proportional to 20,348,620.40, 30,526,867.20 and 5,972,157.20

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Solution

The fourth proportional to 20,348,620.40, 30,526,867.20 and 5,972,157.20 is: 8,959,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,620.40 : 30,526,867.20 = 5,972,157.20 : x
  2. Step 2: Convert to fraction form
    20,348,620.40/30,526,867.20 = 5,972,157.20/x
  3. Step 3: Cross multiply
    20,348,620.40x = 30,526,867.20 × 5,972,157.20
  4. Step 4: Simplify right side
    20,348,620.40x = 182,311,249,741,923.84
  5. Step 5: Solve for x
    x = 182,311,249,741,923.84/20,348,620.40
  6. Step 6: Final answer
    x = 8,959,391.16

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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.