Home / 10,566,818.82-15,852,489.48-3,280,118.46

Finding the Fourth Proportional to 10,566,818.82, 15,852,489.48 and 3,280,118.46

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Solution

The fourth proportional to 10,566,818.82, 15,852,489.48 and 3,280,118.46 is: 4,920,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566,818.82 : 15,852,489.48 = 3,280,118.46 : x
  2. Step 2: Convert to fraction form
    10,566,818.82/15,852,489.48 = 3,280,118.46/x
  3. Step 3: Cross multiply
    10,566,818.82x = 15,852,489.48 × 3,280,118.46
  4. Step 4: Simplify right side
    10,566,818.82x = 51,998,043,380,303.80
  5. Step 5: Solve for x
    x = 51,998,043,380,303.80/10,566,818.82
  6. Step 6: Final answer
    x = 4,920,879.62

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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.