Home / 8,309,113.20-12,463,669.80-6,890,770.80

Finding the Fourth Proportional to 8,309,113.20, 12,463,669.80 and 6,890,770.80

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Solution

The fourth proportional to 8,309,113.20, 12,463,669.80 and 6,890,770.80 is: 10,336,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,113.20 : 12,463,669.80 = 6,890,770.80 : x
  2. Step 2: Convert to fraction form
    8,309,113.20/12,463,669.80 = 6,890,770.80/x
  3. Step 3: Cross multiply
    8,309,113.20x = 12,463,669.80 × 6,890,770.80
  4. Step 4: Simplify right side
    8,309,113.20x = 85,884,291,918,681.84
  5. Step 5: Solve for x
    x = 85,884,291,918,681.84/8,309,113.20
  6. Step 6: Final answer
    x = 10,336,156.20

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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.