Home / 15,521,537.22-23,285,908.15-5,286,485.86

Finding the Fourth Proportional to 15,521,537.22, 23,285,908.15 and 5,286,485.86

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Solution

The fourth proportional to 15,521,537.22, 23,285,908.15 and 5,286,485.86 is: 7,930,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521,537.22 : 23,285,908.15 = 5,286,485.86 : x
  2. Step 2: Convert to fraction form
    15,521,537.22/23,285,908.15 = 5,286,485.86/x
  3. Step 3: Cross multiply
    15,521,537.22x = 23,285,908.15 × 5,286,485.86
  4. Step 4: Simplify right side
    15,521,537.22x = 123,100,624,100,802.78
  5. Step 5: Solve for x
    x = 123,100,624,100,802.78/15,521,537.22
  6. Step 6: Final answer
    x = 7,930,955.70

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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.