Home / 17,109,531.75-25,665,478.47-4,979,095.68

Finding the Fourth Proportional to 17,109,531.75, 25,665,478.47 and 4,979,095.68

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Solution

The fourth proportional to 17,109,531.75, 25,665,478.47 and 4,979,095.68 is: 7,468,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,109,531.75 : 25,665,478.47 = 4,979,095.68 : x
  2. Step 2: Convert to fraction form
    17,109,531.75/25,665,478.47 = 4,979,095.68/x
  3. Step 3: Cross multiply
    17,109,531.75x = 25,665,478.47 × 4,979,095.68
  4. Step 4: Simplify right side
    17,109,531.75x = 127,790,872,975,110
  5. Step 5: Solve for x
    x = 127,790,872,975,110/17,109,531.75
  6. Step 6: Final answer
    x = 7,468,987.16

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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.