Home / 51,415,751.72-70,953,872.12-27,894,287.24

Finding the Fourth Proportional to 51,415,751.72, 70,953,872.12 and 27,894,287.24

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Solution

The fourth proportional to 51,415,751.72, 70,953,872.12 and 27,894,287.24 is: 38,494,189.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,415,751.72 : 70,953,872.12 = 27,894,287.24 : x
  2. Step 2: Convert to fraction form
    51,415,751.72/70,953,872.12 = 27,894,287.24/x
  3. Step 3: Cross multiply
    51,415,751.72x = 70,953,872.12 × 27,894,287.24
  4. Step 4: Simplify right side
    51,415,751.72x = 1,979,207,689,705,507.75
  5. Step 5: Solve for x
    x = 1,979,207,689,705,507.75/51,415,751.72
  6. Step 6: Final answer
    x = 38,494,189.49

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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.