Home / 20,189,285.90-30,283,928.85-8,060,621.30

Finding the Fourth Proportional to 20,189,285.90, 30,283,928.85 and 8,060,621.30

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Solution

The fourth proportional to 20,189,285.90, 30,283,928.85 and 8,060,621.30 is: 12,090,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189,285.90 : 30,283,928.85 = 8,060,621.30 : x
  2. Step 2: Convert to fraction form
    20,189,285.90/30,283,928.85 = 8,060,621.30/x
  3. Step 3: Cross multiply
    20,189,285.90x = 30,283,928.85 × 8,060,621.30
  4. Step 4: Simplify right side
    20,189,285.90x = 244,107,281,935,994.50
  5. Step 5: Solve for x
    x = 244,107,281,935,994.50/20,189,285.90
  6. Step 6: Final answer
    x = 12,090,931.95

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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.