Home / 8,519,882.55-12,779,823.78-2,130,134.90

Finding the Fourth Proportional to 8,519,882.55, 12,779,823.78 and 2,130,134.90

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Solution

The fourth proportional to 8,519,882.55, 12,779,823.78 and 2,130,134.90 is: 3,195,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,882.55 : 12,779,823.78 = 2,130,134.90 : x
  2. Step 2: Convert to fraction form
    8,519,882.55/12,779,823.78 = 2,130,134.90/x
  3. Step 3: Cross multiply
    8,519,882.55x = 12,779,823.78 × 2,130,134.90
  4. Step 4: Simplify right side
    8,519,882.55x = 27,222,748,649,627.92
  5. Step 5: Solve for x
    x = 27,222,748,649,627.92/8,519,882.55
  6. Step 6: Final answer
    x = 3,195,202.34

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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.