Home / 20,207,411.42-27,886,238.96-10,914,981.45

Finding the Fourth Proportional to 20,207,411.42, 27,886,238.96 and 10,914,981.45

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Solution

The fourth proportional to 20,207,411.42, 27,886,238.96 and 10,914,981.45 is: 15,062,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207,411.42 : 27,886,238.96 = 10,914,981.45 : x
  2. Step 2: Convert to fraction form
    20,207,411.42/27,886,238.96 = 10,914,981.45/x
  3. Step 3: Cross multiply
    20,207,411.42x = 27,886,238.96 × 10,914,981.45
  4. Step 4: Simplify right side
    20,207,411.42x = 304,377,780,985,954.69
  5. Step 5: Solve for x
    x = 304,377,780,985,954.69/20,207,411.42
  6. Step 6: Final answer
    x = 15,062,680.45

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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.