Home / 12,423,789.73-18,638,642.16-6,260,628.27

Finding the Fourth Proportional to 12,423,789.73, 18,638,642.16 and 6,260,628.27

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Solution

The fourth proportional to 12,423,789.73, 18,638,642.16 and 6,260,628.27 is: 9,392,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423,789.73 : 18,638,642.16 = 6,260,628.27 : x
  2. Step 2: Convert to fraction form
    12,423,789.73/18,638,642.16 = 6,260,628.27/x
  3. Step 3: Cross multiply
    12,423,789.73x = 18,638,642.16 × 6,260,628.27
  4. Step 4: Simplify right side
    12,423,789.73x = 116,689,610,021,309.86
  5. Step 5: Solve for x
    x = 116,689,610,021,309.86/12,423,789.73
  6. Step 6: Final answer
    x = 9,392,432.79

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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.