Home / 27,679,472.74-38,197,520.49-15,290,419.06

Finding the Fourth Proportional to 27,679,472.74, 38,197,520.49 and 15,290,419.06

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Solution

The fourth proportional to 27,679,472.74, 38,197,520.49 and 15,290,419.06 is: 21,100,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679,472.74 : 38,197,520.49 = 15,290,419.06 : x
  2. Step 2: Convert to fraction form
    27,679,472.74/38,197,520.49 = 15,290,419.06/x
  3. Step 3: Cross multiply
    27,679,472.74x = 38,197,520.49 × 15,290,419.06
  4. Step 4: Simplify right side
    27,679,472.74x = 584,056,095,345,036.62
  5. Step 5: Solve for x
    x = 584,056,095,345,036.62/27,679,472.74
  6. Step 6: Final answer
    x = 21,100,694.40

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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.