Home / 31,057,543.92-42,859,578.84-18,012,534

Finding the Fourth Proportional to 31,057,543.92, 42,859,578.84 and 18,012,534

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Solution

The fourth proportional to 31,057,543.92, 42,859,578.84 and 18,012,534 is: 24,857,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,057,543.92 : 42,859,578.84 = 18,012,534 : x
  2. Step 2: Convert to fraction form
    31,057,543.92/42,859,578.84 = 18,012,534/x
  3. Step 3: Cross multiply
    31,057,543.92x = 42,859,578.84 × 18,012,534
  4. Step 4: Simplify right side
    31,057,543.92x = 772,009,621,081,180.62
  5. Step 5: Solve for x
    x = 772,009,621,081,180.62/31,057,543.92
  6. Step 6: Final answer
    x = 24,857,394.49

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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.