Home / 8,496,743.10-12,743,343.45-3,107,931.90

Finding the Fourth Proportional to 8,496,743.10, 12,743,343.45 and 3,107,931.90

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Solution

The fourth proportional to 8,496,743.10, 12,743,343.45 and 3,107,931.90 is: 4,661,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496,743.10 : 12,743,343.45 = 3,107,931.90 : x
  2. Step 2: Convert to fraction form
    8,496,743.10/12,743,343.45 = 3,107,931.90/x
  3. Step 3: Cross multiply
    8,496,743.10x = 12,743,343.45 × 3,107,931.90
  4. Step 4: Simplify right side
    8,496,743.10x = 39,605,443,620,911.05
  5. Step 5: Solve for x
    x = 39,605,443,620,911.05/8,496,743.10
  6. Step 6: Final answer
    x = 4,661,249.98

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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.