Home / 17,728,387.20-26,584,804.80-8,140,579.20

Finding the Fourth Proportional to 17,728,387.20, 26,584,804.80 and 8,140,579.20

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Solution

The fourth proportional to 17,728,387.20, 26,584,804.80 and 8,140,579.20 is: 12,207,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,728,387.20 : 26,584,804.80 = 8,140,579.20 : x
  2. Step 2: Convert to fraction form
    17,728,387.20/26,584,804.80 = 8,140,579.20/x
  3. Step 3: Cross multiply
    17,728,387.20x = 26,584,804.80 × 8,140,579.20
  4. Step 4: Simplify right side
    17,728,387.20x = 216,415,708,990,940.16
  5. Step 5: Solve for x
    x = 216,415,708,990,940.16/17,728,387.20
  6. Step 6: Final answer
    x = 12,207,298.19

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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.