Home / 8,065,661.40-12,098,492.10-5,672,208.60

Finding the Fourth Proportional to 8,065,661.40, 12,098,492.10 and 5,672,208.60

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Solution

The fourth proportional to 8,065,661.40, 12,098,492.10 and 5,672,208.60 is: 8,508,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,661.40 : 12,098,492.10 = 5,672,208.60 : x
  2. Step 2: Convert to fraction form
    8,065,661.40/12,098,492.10 = 5,672,208.60/x
  3. Step 3: Cross multiply
    8,065,661.40x = 12,098,492.10 × 5,672,208.60
  4. Step 4: Simplify right side
    8,065,661.40x = 68,625,170,936,652.05
  5. Step 5: Solve for x
    x = 68,625,170,936,652.05/8,065,661.40
  6. Step 6: Final answer
    x = 8,508,312.90

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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.