Home / 17,382,683.20-26,042,920.80-8,387,406.40

Finding the Fourth Proportional to 17,382,683.20, 26,042,920.80 and 8,387,406.40

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Solution

The fourth proportional to 17,382,683.20, 26,042,920.80 and 8,387,406.40 is: 12,566,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382,683.20 : 26,042,920.80 = 8,387,406.40 : x
  2. Step 2: Convert to fraction form
    17,382,683.20/26,042,920.80 = 8,387,406.40/x
  3. Step 3: Cross multiply
    17,382,683.20x = 26,042,920.80 × 8,387,406.40
  4. Step 4: Simplify right side
    17,382,683.20x = 218,432,560,592,613.12
  5. Step 5: Solve for x
    x = 218,432,560,592,613.12/17,382,683.20
  6. Step 6: Final answer
    x = 12,566,101.45

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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.