Home / 8,213,445.52-12,319,227.34-2,148,762.69

Finding the Fourth Proportional to 8,213,445.52, 12,319,227.34 and 2,148,762.69

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Solution

The fourth proportional to 8,213,445.52, 12,319,227.34 and 2,148,762.69 is: 3,222,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,445.52 : 12,319,227.34 = 2,148,762.69 : x
  2. Step 2: Convert to fraction form
    8,213,445.52/12,319,227.34 = 2,148,762.69/x
  3. Step 3: Cross multiply
    8,213,445.52x = 12,319,227.34 × 2,148,762.69
  4. Step 4: Simplify right side
    8,213,445.52x = 26,471,096,077,819.95
  5. Step 5: Solve for x
    x = 26,471,096,077,819.95/8,213,445.52
  6. Step 6: Final answer
    x = 3,222,897.87

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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.