Home / 20,250,411.32-27,945,641.69-10,957,981.46

Finding the Fourth Proportional to 20,250,411.32, 27,945,641.69 and 10,957,981.46

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Solution

The fourth proportional to 20,250,411.32, 27,945,641.69 and 10,957,981.46 is: 15,122,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,411.32 : 27,945,641.69 = 10,957,981.46 : x
  2. Step 2: Convert to fraction form
    20,250,411.32/27,945,641.69 = 10,957,981.46/x
  3. Step 3: Cross multiply
    20,250,411.32x = 27,945,641.69 × 10,957,981.46
  4. Step 4: Simplify right side
    20,250,411.32x = 306,227,823,472,033.19
  5. Step 5: Solve for x
    x = 306,227,823,472,033.19/20,250,411.32
  6. Step 6: Final answer
    x = 15,122,054.49

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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.