Home / 31,018,616.39-42,806,007.38-17,081,267.55

Finding the Fourth Proportional to 31,018,616.39, 42,806,007.38 and 17,081,267.55

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Solution

The fourth proportional to 31,018,616.39, 42,806,007.38 and 17,081,267.55 is: 23,572,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,018,616.39 : 42,806,007.38 = 17,081,267.55 : x
  2. Step 2: Convert to fraction form
    31,018,616.39/42,806,007.38 = 17,081,267.55/x
  3. Step 3: Cross multiply
    31,018,616.39x = 42,806,007.38 × 17,081,267.55
  4. Step 4: Simplify right side
    31,018,616.39x = 731,180,864,719,648.25
  5. Step 5: Solve for x
    x = 731,180,864,719,648.25/31,018,616.39
  6. Step 6: Final answer
    x = 23,572,323.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.