Home / 8,621,856.13-11,898,448.78-4,701,826.79

Finding the Fourth Proportional to 8,621,856.13, 11,898,448.78 and 4,701,826.79

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Solution

The fourth proportional to 8,621,856.13, 11,898,448.78 and 4,701,826.79 is: 6,488,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621,856.13 : 11,898,448.78 = 4,701,826.79 : x
  2. Step 2: Convert to fraction form
    8,621,856.13/11,898,448.78 = 4,701,826.79/x
  3. Step 3: Cross multiply
    8,621,856.13x = 11,898,448.78 × 4,701,826.79
  4. Step 4: Simplify right side
    8,621,856.13x = 55,944,445,193,125.52
  5. Step 5: Solve for x
    x = 55,944,445,193,125.52/8,621,856.13
  6. Step 6: Final answer
    x = 6,488,677.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.