Home / 9,349,178.72-12,901,879-5,275,176.80

Finding the Fourth Proportional to 9,349,178.72, 12,901,879 and 5,275,176.80

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Solution

The fourth proportional to 9,349,178.72, 12,901,879 and 5,275,176.80 is: 7,279,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349,178.72 : 12,901,879 = 5,275,176.80 : x
  2. Step 2: Convert to fraction form
    9,349,178.72/12,901,879 = 5,275,176.80/x
  3. Step 3: Cross multiply
    9,349,178.72x = 12,901,879 × 5,275,176.80
  4. Step 4: Simplify right side
    9,349,178.72x = 68,059,692,777,207.20
  5. Step 5: Solve for x
    x = 68,059,692,777,207.20/9,349,178.72
  6. Step 6: Final answer
    x = 7,279,750.96

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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.