Home / 8,487,458.41-12,731,191.71-2,807,682.72

Finding the Fourth Proportional to 8,487,458.41, 12,731,191.71 and 2,807,682.72

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Solution

The fourth proportional to 8,487,458.41, 12,731,191.71 and 2,807,682.72 is: 4,211,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,458.41 : 12,731,191.71 = 2,807,682.72 : x
  2. Step 2: Convert to fraction form
    8,487,458.41/12,731,191.71 = 2,807,682.72/x
  3. Step 3: Cross multiply
    8,487,458.41x = 12,731,191.71 × 2,807,682.72
  4. Step 4: Simplify right side
    8,487,458.41x = 35,745,146,955,135.84
  5. Step 5: Solve for x
    x = 35,745,146,955,135.84/8,487,458.41
  6. Step 6: Final answer
    x = 4,211,525.44

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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.