Home / 8,621,577.85-12,932,672.23-2,144,686.90

Finding the Fourth Proportional to 8,621,577.85, 12,932,672.23 and 2,144,686.90

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Solution

The fourth proportional to 8,621,577.85, 12,932,672.23 and 2,144,686.90 is: 3,217,106.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621,577.85 : 12,932,672.23 = 2,144,686.90 : x
  2. Step 2: Convert to fraction form
    8,621,577.85/12,932,672.23 = 2,144,686.90/x
  3. Step 3: Cross multiply
    8,621,577.85x = 12,932,672.23 × 2,144,686.90
  4. Step 4: Simplify right side
    8,621,577.85x = 27,736,532,649,011.43
  5. Step 5: Solve for x
    x = 27,736,532,649,011.43/8,621,577.85
  6. Step 6: Final answer
    x = 3,217,106.33

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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.