Home / 8,632,000.30-12,948,000.45-5,440,729.90

Finding the Fourth Proportional to 8,632,000.30, 12,948,000.45 and 5,440,729.90

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Solution

The fourth proportional to 8,632,000.30, 12,948,000.45 and 5,440,729.90 is: 8,161,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632,000.30 : 12,948,000.45 = 5,440,729.90 : x
  2. Step 2: Convert to fraction form
    8,632,000.30/12,948,000.45 = 5,440,729.90/x
  3. Step 3: Cross multiply
    8,632,000.30x = 12,948,000.45 × 5,440,729.90
  4. Step 4: Simplify right side
    8,632,000.30x = 70,446,573,193,528.45
  5. Step 5: Solve for x
    x = 70,446,573,193,528.45/8,632,000.30
  6. Step 6: Final answer
    x = 8,161,094.85

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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.