Home / 31,187,279.28-46,689,696.72-18,193,699.92

Finding the Fourth Proportional to 31,187,279.28, 46,689,696.72 and 18,193,699.92

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Solution

The fourth proportional to 31,187,279.28, 46,689,696.72 and 18,193,699.92 is: 27,237,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187,279.28 : 46,689,696.72 = 18,193,699.92 : x
  2. Step 2: Convert to fraction form
    31,187,279.28/46,689,696.72 = 18,193,699.92/x
  3. Step 3: Cross multiply
    31,187,279.28x = 46,689,696.72 × 18,193,699.92
  4. Step 4: Simplify right side
    31,187,279.28x = 849,458,331,479,488.38
  5. Step 5: Solve for x
    x = 849,458,331,479,488.38/31,187,279.28
  6. Step 6: Final answer
    x = 27,237,333.65

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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.