Home / 8,405,702.64-12,600,799.92-3,291,615.36

Finding the Fourth Proportional to 8,405,702.64, 12,600,799.92 and 3,291,615.36

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Solution

The fourth proportional to 8,405,702.64, 12,600,799.92 and 3,291,615.36 is: 4,934,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405,702.64 : 12,600,799.92 = 3,291,615.36 : x
  2. Step 2: Convert to fraction form
    8,405,702.64/12,600,799.92 = 3,291,615.36/x
  3. Step 3: Cross multiply
    8,405,702.64x = 12,600,799.92 × 3,291,615.36
  4. Step 4: Simplify right side
    8,405,702.64x = 41,476,986,564,958.77
  5. Step 5: Solve for x
    x = 41,476,986,564,958.77/8,405,702.64
  6. Step 6: Final answer
    x = 4,934,386.61

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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.