Home / 8,262,783.30-12,382,073.55-7,409,853.30

Finding the Fourth Proportional to 8,262,783.30, 12,382,073.55 and 7,409,853.30

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Solution

The fourth proportional to 8,262,783.30, 12,382,073.55 and 7,409,853.30 is: 11,103,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262,783.30 : 12,382,073.55 = 7,409,853.30 : x
  2. Step 2: Convert to fraction form
    8,262,783.30/12,382,073.55 = 7,409,853.30/x
  3. Step 3: Cross multiply
    8,262,783.30x = 12,382,073.55 × 7,409,853.30
  4. Step 4: Simplify right side
    8,262,783.30x = 91,749,348,555,310.22
  5. Step 5: Solve for x
    x = 91,749,348,555,310.22/8,262,783.30
  6. Step 6: Final answer
    x = 11,103,927.72

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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.