Home / 13,981,299.72-20,945,088.36-8,574,190.08

Finding the Fourth Proportional to 13,981,299.72, 20,945,088.36 and 8,574,190.08

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Solution

The fourth proportional to 13,981,299.72, 20,945,088.36 and 8,574,190.08 is: 12,844,812.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,299.72 : 20,945,088.36 = 8,574,190.08 : x
  2. Step 2: Convert to fraction form
    13,981,299.72/20,945,088.36 = 8,574,190.08/x
  3. Step 3: Cross multiply
    13,981,299.72x = 20,945,088.36 × 8,574,190.08
  4. Step 4: Simplify right side
    13,981,299.72x = 179,587,168,841,035.47
  5. Step 5: Solve for x
    x = 179,587,168,841,035.47/13,981,299.72
  6. Step 6: Final answer
    x = 12,844,812.17

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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.