Home / 8,170,903.80-12,234,237.30-6,401,431.80

Finding the Fourth Proportional to 8,170,903.80, 12,234,237.30 and 6,401,431.80

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Solution

The fourth proportional to 8,170,903.80, 12,234,237.30 and 6,401,431.80 is: 9,584,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170,903.80 : 12,234,237.30 = 6,401,431.80 : x
  2. Step 2: Convert to fraction form
    8,170,903.80/12,234,237.30 = 6,401,431.80/x
  3. Step 3: Cross multiply
    8,170,903.80x = 12,234,237.30 × 6,401,431.80
  4. Step 4: Simplify right side
    8,170,903.80x = 78,316,635,700,966.14
  5. Step 5: Solve for x
    x = 78,316,635,700,966.14/8,170,903.80
  6. Step 6: Final answer
    x = 9,584,819.21

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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.