Home / 15,152,739.30-20,910,440.48-8,277,248.70

Finding the Fourth Proportional to 15,152,739.30, 20,910,440.48 and 8,277,248.70

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Solution

The fourth proportional to 15,152,739.30, 20,910,440.48 and 8,277,248.70 is: 11,422,417.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152,739.30 : 20,910,440.48 = 8,277,248.70 : x
  2. Step 2: Convert to fraction form
    15,152,739.30/20,910,440.48 = 8,277,248.70/x
  3. Step 3: Cross multiply
    15,152,739.30x = 20,910,440.48 × 8,277,248.70
  4. Step 4: Simplify right side
    15,152,739.30x = 173,080,916,238,121.16
  5. Step 5: Solve for x
    x = 173,080,916,238,121.16/15,152,739.30
  6. Step 6: Final answer
    x = 11,422,417.61

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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.