Home / 8,091,779.45-12,129,191.59-3,770,266.34

Finding the Fourth Proportional to 8,091,779.45, 12,129,191.59 and 3,770,266.34

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Solution

The fourth proportional to 8,091,779.45, 12,129,191.59 and 3,770,266.34 is: 5,651,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,779.45 : 12,129,191.59 = 3,770,266.34 : x
  2. Step 2: Convert to fraction form
    8,091,779.45/12,129,191.59 = 3,770,266.34/x
  3. Step 3: Cross multiply
    8,091,779.45x = 12,129,191.59 × 3,770,266.34
  4. Step 4: Simplify right side
    8,091,779.45x = 45,730,282,703,690.80
  5. Step 5: Solve for x
    x = 45,730,282,703,690.80/8,091,779.45
  6. Step 6: Final answer
    x = 5,651,449.47

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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.