Home / 8,139,820.20-12,199,232.70-6,237,130.20

Finding the Fourth Proportional to 8,139,820.20, 12,199,232.70 and 6,237,130.20

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Solution

The fourth proportional to 8,139,820.20, 12,199,232.70 and 6,237,130.20 is: 9,347,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,820.20 : 12,199,232.70 = 6,237,130.20 : x
  2. Step 2: Convert to fraction form
    8,139,820.20/12,199,232.70 = 6,237,130.20/x
  3. Step 3: Cross multiply
    8,139,820.20x = 12,199,232.70 × 6,237,130.20
  4. Step 4: Simplify right side
    8,139,820.20x = 76,088,202,689,997.53
  5. Step 5: Solve for x
    x = 76,088,202,689,997.53/8,139,820.20
  6. Step 6: Final answer
    x = 9,347,651.52

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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.