Home / 8,279,895.60-12,396,223.80-7,335,111.60

Finding the Fourth Proportional to 8,279,895.60, 12,396,223.80 and 7,335,111.60

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Solution

The fourth proportional to 8,279,895.60, 12,396,223.80 and 7,335,111.60 is: 10,981,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,895.60 : 12,396,223.80 = 7,335,111.60 : x
  2. Step 2: Convert to fraction form
    8,279,895.60/12,396,223.80 = 7,335,111.60/x
  3. Step 3: Cross multiply
    8,279,895.60x = 12,396,223.80 × 7,335,111.60
  4. Step 4: Simplify right side
    8,279,895.60x = 90,927,684,991,576.08
  5. Step 5: Solve for x
    x = 90,927,684,991,576.08/8,279,895.60
  6. Step 6: Final answer
    x = 10,981,742.93

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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.