Home / 8,458,047.54-12,665,610.01-7,088,220.09

Finding the Fourth Proportional to 8,458,047.54, 12,665,610.01 and 7,088,220.09

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Solution

The fourth proportional to 8,458,047.54, 12,665,610.01 and 7,088,220.09 is: 10,614,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,047.54 : 12,665,610.01 = 7,088,220.09 : x
  2. Step 2: Convert to fraction form
    8,458,047.54/12,665,610.01 = 7,088,220.09/x
  3. Step 3: Cross multiply
    8,458,047.54x = 12,665,610.01 × 7,088,220.09
  4. Step 4: Simplify right side
    8,458,047.54x = 89,776,631,293,976.14
  5. Step 5: Solve for x
    x = 89,776,631,293,976.14/8,458,047.54
  6. Step 6: Final answer
    x = 10,614,344.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.