Home / 15,673,428.30-23,481,112.05-8,921,786.70

Finding the Fourth Proportional to 15,673,428.30, 23,481,112.05 and 8,921,786.70

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Solution

The fourth proportional to 15,673,428.30, 23,481,112.05 and 8,921,786.70 is: 13,366,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673,428.30 : 23,481,112.05 = 8,921,786.70 : x
  2. Step 2: Convert to fraction form
    15,673,428.30/23,481,112.05 = 8,921,786.70/x
  3. Step 3: Cross multiply
    15,673,428.30x = 23,481,112.05 × 8,921,786.70
  4. Step 4: Simplify right side
    15,673,428.30x = 209,493,473,188,899.72
  5. Step 5: Solve for x
    x = 209,493,473,188,899.72/15,673,428.30
  6. Step 6: Final answer
    x = 13,366,155.07

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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.