Home / 20,273,085.05-27,976,634.57-10,980,424.13

Finding the Fourth Proportional to 20,273,085.05, 27,976,634.57 and 10,980,424.13

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Solution

The fourth proportional to 20,273,085.05, 27,976,634.57 and 10,980,424.13 is: 15,152,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273,085.05 : 27,976,634.57 = 10,980,424.13 : x
  2. Step 2: Convert to fraction form
    20,273,085.05/27,976,634.57 = 10,980,424.13/x
  3. Step 3: Cross multiply
    20,273,085.05x = 27,976,634.57 × 10,980,424.13
  4. Step 4: Simplify right side
    20,273,085.05x = 307,195,313,196,188.06
  5. Step 5: Solve for x
    x = 307,195,313,196,188.06/20,273,085.05
  6. Step 6: Final answer
    x = 15,152,864.62

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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.