Home / 29,016,047.57-40,042,085.78-15,963,275.21

Finding the Fourth Proportional to 29,016,047.57, 40,042,085.78 and 15,963,275.21

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Solution

The fourth proportional to 29,016,047.57, 40,042,085.78 and 15,963,275.21 is: 22,029,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,016,047.57 : 40,042,085.78 = 15,963,275.21 : x
  2. Step 2: Convert to fraction form
    29,016,047.57/40,042,085.78 = 15,963,275.21/x
  3. Step 3: Cross multiply
    29,016,047.57x = 40,042,085.78 × 15,963,275.21
  4. Step 4: Simplify right side
    29,016,047.57x = 639,202,835,208,751.12
  5. Step 5: Solve for x
    x = 639,202,835,208,751.12/29,016,047.57
  6. Step 6: Final answer
    x = 22,029,286.85

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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.