Home / 20,129,387.10-30,194,080.65-4,983,318.60

Finding the Fourth Proportional to 20,129,387.10, 30,194,080.65 and 4,983,318.60

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Solution

The fourth proportional to 20,129,387.10, 30,194,080.65 and 4,983,318.60 is: 7,474,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129,387.10 : 30,194,080.65 = 4,983,318.60 : x
  2. Step 2: Convert to fraction form
    20,129,387.10/30,194,080.65 = 4,983,318.60/x
  3. Step 3: Cross multiply
    20,129,387.10x = 30,194,080.65 × 4,983,318.60
  4. Step 4: Simplify right side
    20,129,387.10x = 150,466,723,713,045.06
  5. Step 5: Solve for x
    x = 150,466,723,713,045.06/20,129,387.10
  6. Step 6: Final answer
    x = 7,474,977.90

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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.