Home / 8,990,324.16-12,396,046.32-7,266,112.80

Finding the Fourth Proportional to 8,990,324.16, 12,396,046.32 and 7,266,112.80

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Solution

The fourth proportional to 8,990,324.16, 12,396,046.32 and 7,266,112.80 is: 10,018,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,324.16 : 12,396,046.32 = 7,266,112.80 : x
  2. Step 2: Convert to fraction form
    8,990,324.16/12,396,046.32 = 7,266,112.80/x
  3. Step 3: Cross multiply
    8,990,324.16x = 12,396,046.32 × 7,266,112.80
  4. Step 4: Simplify right side
    8,990,324.16x = 90,071,070,835,144.89
  5. Step 5: Solve for x
    x = 90,071,070,835,144.89/8,990,324.16
  6. Step 6: Final answer
    x = 10,018,667.76

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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.