Home / 20,247,937,672.97-27,942,151,594.62-12,109,739,828.25

Finding the Fourth Proportional to 20,247,937,672.97, 27,942,151,594.62 and 12,109,739,828.25

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Solution

The fourth proportional to 20,247,937,672.97, 27,942,151,594.62 and 12,109,739,828.25 is: 16,711,439,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247,937,672.97 : 27,942,151,594.62 = 12,109,739,828.25 : x
  2. Step 2: Convert to fraction form
    20,247,937,672.97/27,942,151,594.62 = 12,109,739,828.25/x
  3. Step 3: Cross multiply
    20,247,937,672.97x = 27,942,151,594.62 × 12,109,739,828.25
  4. Step 4: Simplify right side
    20,247,937,672.97x = 338,372,186,052,369,055,744
  5. Step 5: Solve for x
    x = 338,372,186,052,369,055,744/20,247,937,672.97
  6. Step 6: Final answer
    x = 16,711,439,531.16

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1.5x scale

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.