Home / 8,515,421.40-12,773,132.10-5,492,112.60

Finding the Fourth Proportional to 8,515,421.40, 12,773,132.10 and 5,492,112.60

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Solution

The fourth proportional to 8,515,421.40, 12,773,132.10 and 5,492,112.60 is: 8,238,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515,421.40 : 12,773,132.10 = 5,492,112.60 : x
  2. Step 2: Convert to fraction form
    8,515,421.40/12,773,132.10 = 5,492,112.60/x
  3. Step 3: Cross multiply
    8,515,421.40x = 12,773,132.10 × 5,492,112.60
  4. Step 4: Simplify right side
    8,515,421.40x = 70,151,479,747,874.45
  5. Step 5: Solve for x
    x = 70,151,479,747,874.45/8,515,421.40
  6. Step 6: Final answer
    x = 8,238,168.90

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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.