Home / 8,383,288.60-12,590,139.30-7,338,194.20

Finding the Fourth Proportional to 8,383,288.60, 12,590,139.30 and 7,338,194.20

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Solution

The fourth proportional to 8,383,288.60, 12,590,139.30 and 7,338,194.20 is: 11,020,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383,288.60 : 12,590,139.30 = 7,338,194.20 : x
  2. Step 2: Convert to fraction form
    8,383,288.60/12,590,139.30 = 7,338,194.20/x
  3. Step 3: Cross multiply
    8,383,288.60x = 12,590,139.30 × 7,338,194.20
  4. Step 4: Simplify right side
    8,383,288.60x = 92,388,887,188,452.06
  5. Step 5: Solve for x
    x = 92,388,887,188,452.06/8,383,288.60
  6. Step 6: Final answer
    x = 11,020,602.01

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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.