Home / 8,372,106.20-12,558,159.30-8,260,131.80

Finding the Fourth Proportional to 8,372,106.20, 12,558,159.30 and 8,260,131.80

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Solution

The fourth proportional to 8,372,106.20, 12,558,159.30 and 8,260,131.80 is: 12,390,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372,106.20 : 12,558,159.30 = 8,260,131.80 : x
  2. Step 2: Convert to fraction form
    8,372,106.20/12,558,159.30 = 8,260,131.80/x
  3. Step 3: Cross multiply
    8,372,106.20x = 12,558,159.30 × 8,260,131.80
  4. Step 4: Simplify right side
    8,372,106.20x = 103,732,050,983,395.75
  5. Step 5: Solve for x
    x = 103,732,050,983,395.75/8,372,106.20
  6. Step 6: Final answer
    x = 12,390,197.70

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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.