Home / 27,920,912.40-41,885,305.20-8,749,670.40

Finding the Fourth Proportional to 27,920,912.40, 41,885,305.20 and 8,749,670.40

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Solution

The fourth proportional to 27,920,912.40, 41,885,305.20 and 8,749,670.40 is: 13,125,739.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920,912.40 : 41,885,305.20 = 8,749,670.40 : x
  2. Step 2: Convert to fraction form
    27,920,912.40/41,885,305.20 = 8,749,670.40/x
  3. Step 3: Cross multiply
    27,920,912.40x = 41,885,305.20 × 8,749,670.40
  4. Step 4: Simplify right side
    27,920,912.40x = 366,482,615,103,406.12
  5. Step 5: Solve for x
    x = 366,482,615,103,406.12/27,920,912.40
  6. Step 6: Final answer
    x = 13,125,739.23

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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.