Home / 8,676,821.64-13,016,095.68-3,213,378.52

Finding the Fourth Proportional to 8,676,821.64, 13,016,095.68 and 3,213,378.52

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Solution

The fourth proportional to 8,676,821.64, 13,016,095.68 and 3,213,378.52 is: 4,820,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676,821.64 : 13,016,095.68 = 3,213,378.52 : x
  2. Step 2: Convert to fraction form
    8,676,821.64/13,016,095.68 = 3,213,378.52/x
  3. Step 3: Cross multiply
    8,676,821.64x = 13,016,095.68 × 3,213,378.52
  4. Step 4: Simplify right side
    8,676,821.64x = 41,825,642,272,376.79
  5. Step 5: Solve for x
    x = 41,825,642,272,376.79/8,676,821.64
  6. Step 6: Final answer
    x = 4,820,387.47

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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.