Home / 9,349,176.72-12,901,876.24-5,275,174.80

Finding the Fourth Proportional to 9,349,176.72, 12,901,876.24 and 5,275,174.80

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Solution

The fourth proportional to 9,349,176.72, 12,901,876.24 and 5,275,174.80 is: 7,279,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349,176.72 : 12,901,876.24 = 5,275,174.80 : x
  2. Step 2: Convert to fraction form
    9,349,176.72/12,901,876.24 = 5,275,174.80/x
  3. Step 3: Cross multiply
    9,349,176.72x = 12,901,876.24 × 5,275,174.80
  4. Step 4: Simplify right side
    9,349,176.72x = 68,059,652,413,966.75
  5. Step 5: Solve for x
    x = 68,059,652,413,966.75/9,349,176.72
  6. Step 6: Final answer
    x = 7,279,748.20

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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.