Home / 15,790,721.70-23,686,082.55-9,072,257.70

Finding the Fourth Proportional to 15,790,721.70, 23,686,082.55 and 9,072,257.70

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Solution

The fourth proportional to 15,790,721.70, 23,686,082.55 and 9,072,257.70 is: 13,608,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790,721.70 : 23,686,082.55 = 9,072,257.70 : x
  2. Step 2: Convert to fraction form
    15,790,721.70/23,686,082.55 = 9,072,257.70/x
  3. Step 3: Cross multiply
    15,790,721.70x = 23,686,082.55 × 9,072,257.70
  4. Step 4: Simplify right side
    15,790,721.70x = 214,886,244,797,073.12
  5. Step 5: Solve for x
    x = 214,886,244,797,073.12/15,790,721.70
  6. Step 6: Final answer
    x = 13,608,386.55

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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.