Home / 8,341,745.40-12,512,618.10-6,718,116.60

Finding the Fourth Proportional to 8,341,745.40, 12,512,618.10 and 6,718,116.60

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Solution

The fourth proportional to 8,341,745.40, 12,512,618.10 and 6,718,116.60 is: 10,077,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341,745.40 : 12,512,618.10 = 6,718,116.60 : x
  2. Step 2: Convert to fraction form
    8,341,745.40/12,512,618.10 = 6,718,116.60/x
  3. Step 3: Cross multiply
    8,341,745.40x = 12,512,618.10 × 6,718,116.60
  4. Step 4: Simplify right side
    8,341,745.40x = 84,061,227,367,070.45
  5. Step 5: Solve for x
    x = 84,061,227,367,070.45/8,341,745.40
  6. Step 6: Final answer
    x = 10,077,174.90

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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.