Home / 8,768,785.52-13,156,856.79-3,907,743.20

Finding the Fourth Proportional to 8,768,785.52, 13,156,856.79 and 3,907,743.20

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Solution

The fourth proportional to 8,768,785.52, 13,156,856.79 and 3,907,743.20 is: 5,863,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,785.52 : 13,156,856.79 = 3,907,743.20 : x
  2. Step 2: Convert to fraction form
    8,768,785.52/13,156,856.79 = 3,907,743.20/x
  3. Step 3: Cross multiply
    8,768,785.52x = 13,156,856.79 × 3,907,743.20
  4. Step 4: Simplify right side
    8,768,785.52x = 51,413,617,654,496.33
  5. Step 5: Solve for x
    x = 51,413,617,654,496.33/8,768,785.52
  6. Step 6: Final answer
    x = 5,863,254.10

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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.