Home / 8,701,630.30-13,052,445.45-5,300,407.90

Finding the Fourth Proportional to 8,701,630.30, 13,052,445.45 and 5,300,407.90

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Solution

The fourth proportional to 8,701,630.30, 13,052,445.45 and 5,300,407.90 is: 7,950,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701,630.30 : 13,052,445.45 = 5,300,407.90 : x
  2. Step 2: Convert to fraction form
    8,701,630.30/13,052,445.45 = 5,300,407.90/x
  3. Step 3: Cross multiply
    8,701,630.30x = 13,052,445.45 × 5,300,407.90
  4. Step 4: Simplify right side
    8,701,630.30x = 69,183,284,977,499.05
  5. Step 5: Solve for x
    x = 69,183,284,977,499.05/8,701,630.30
  6. Step 6: Final answer
    x = 7,950,611.85

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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.