Home / 8,898,331.91-12,279,794.76-5,227,403.21

Finding the Fourth Proportional to 8,898,331.91, 12,279,794.76 and 5,227,403.21

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Solution

The fourth proportional to 8,898,331.91, 12,279,794.76 and 5,227,403.21 is: 7,213,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898,331.91 : 12,279,794.76 = 5,227,403.21 : x
  2. Step 2: Convert to fraction form
    8,898,331.91/12,279,794.76 = 5,227,403.21/x
  3. Step 3: Cross multiply
    8,898,331.91x = 12,279,794.76 × 5,227,403.21
  4. Step 4: Simplify right side
    8,898,331.91x = 64,191,438,546,565.18
  5. Step 5: Solve for x
    x = 64,191,438,546,565.18/8,898,331.91
  6. Step 6: Final answer
    x = 7,213,873.25

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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.