Home / 10,520,563.44-15,766,894.40-5,402,786.61

Finding the Fourth Proportional to 10,520,563.44, 15,766,894.40 and 5,402,786.61

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Solution

The fourth proportional to 10,520,563.44, 15,766,894.40 and 5,402,786.61 is: 8,097,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,563.44 : 15,766,894.40 = 5,402,786.61 : x
  2. Step 2: Convert to fraction form
    10,520,563.44/15,766,894.40 = 5,402,786.61/x
  3. Step 3: Cross multiply
    10,520,563.44x = 15,766,894.40 × 5,402,786.61
  4. Step 4: Simplify right side
    10,520,563.44x = 85,185,165,918,590.05
  5. Step 5: Solve for x
    x = 85,185,165,918,590.05/10,520,563.44
  6. Step 6: Final answer
    x = 8,097,015.56

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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.