Home / 13,410,000.30-20,115,000.45-4,890,614.70

Finding the Fourth Proportional to 13,410,000.30, 20,115,000.45 and 4,890,614.70

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Solution

The fourth proportional to 13,410,000.30, 20,115,000.45 and 4,890,614.70 is: 7,335,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,000.30 : 20,115,000.45 = 4,890,614.70 : x
  2. Step 2: Convert to fraction form
    13,410,000.30/20,115,000.45 = 4,890,614.70/x
  3. Step 3: Cross multiply
    13,410,000.30x = 20,115,000.45 × 4,890,614.70
  4. Step 4: Simplify right side
    13,410,000.30x = 98,374,716,891,276.61
  5. Step 5: Solve for x
    x = 98,374,716,891,276.61/13,410,000.30
  6. Step 6: Final answer
    x = 7,335,922.05

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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.