Home / 27,685,491.65-38,204,822.18-15,923,865.77

Finding the Fourth Proportional to 27,685,491.65, 38,204,822.18 and 15,923,865.77

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Solution

The fourth proportional to 27,685,491.65, 38,204,822.18 and 15,923,865.77 is: 21,974,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685,491.65 : 38,204,822.18 = 15,923,865.77 : x
  2. Step 2: Convert to fraction form
    27,685,491.65/38,204,822.18 = 15,923,865.77/x
  3. Step 3: Cross multiply
    27,685,491.65x = 38,204,822.18 × 15,923,865.77
  4. Step 4: Simplify right side
    27,685,491.65x = 608,368,460,081,419.38
  5. Step 5: Solve for x
    x = 608,368,460,081,419.38/27,685,491.65
  6. Step 6: Final answer
    x = 21,974,269.69

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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.