Home / 8,520,672.96-12,781,009.36-2,130,924.96

Finding the Fourth Proportional to 8,520,672.96, 12,781,009.36 and 2,130,924.96

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Solution

The fourth proportional to 8,520,672.96, 12,781,009.36 and 2,130,924.96 is: 3,196,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,672.96 : 12,781,009.36 = 2,130,924.96 : x
  2. Step 2: Convert to fraction form
    8,520,672.96/12,781,009.36 = 2,130,924.96/x
  3. Step 3: Cross multiply
    8,520,672.96x = 12,781,009.36 × 2,130,924.96
  4. Step 4: Simplify right side
    8,520,672.96x = 27,235,371,859,217.62
  5. Step 5: Solve for x
    x = 27,235,371,859,217.62/8,520,672.96
  6. Step 6: Final answer
    x = 3,196,387.42

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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.