Home / 8,487,458.28-12,731,191.52-2,807,682.59

Finding the Fourth Proportional to 8,487,458.28, 12,731,191.52 and 2,807,682.59

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Solution

The fourth proportional to 8,487,458.28, 12,731,191.52 and 2,807,682.59 is: 4,211,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,458.28 : 12,731,191.52 = 2,807,682.59 : x
  2. Step 2: Convert to fraction form
    8,487,458.28/12,731,191.52 = 2,807,682.59/x
  3. Step 3: Cross multiply
    8,487,458.28x = 12,731,191.52 × 2,807,682.59
  4. Step 4: Simplify right side
    8,487,458.28x = 35,745,144,798,449.20
  5. Step 5: Solve for x
    x = 35,745,144,798,449.20/8,487,458.28
  6. Step 6: Final answer
    x = 4,211,525.24

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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.