Home / 8,428,610.88-12,641,633.20-2,748,826.08

Finding the Fourth Proportional to 8,428,610.88, 12,641,633.20 and 2,748,826.08

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Solution

The fourth proportional to 8,428,610.88, 12,641,633.20 and 2,748,826.08 is: 4,122,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,610.88 : 12,641,633.20 = 2,748,826.08 : x
  2. Step 2: Convert to fraction form
    8,428,610.88/12,641,633.20 = 2,748,826.08/x
  3. Step 3: Cross multiply
    8,428,610.88x = 12,641,633.20 × 2,748,826.08
  4. Step 4: Simplify right side
    8,428,610.88x = 34,749,651,033,953.86
  5. Step 5: Solve for x
    x = 34,749,651,033,953.86/8,428,610.88
  6. Step 6: Final answer
    x = 4,122,820.66

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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.