Home / 15,036,317.55-20,750,138.24-8,160,799.61

Finding the Fourth Proportional to 15,036,317.55, 20,750,138.24 and 8,160,799.61

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Solution

The fourth proportional to 15,036,317.55, 20,750,138.24 and 8,160,799.61 is: 11,261,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,317.55 : 20,750,138.24 = 8,160,799.61 : x
  2. Step 2: Convert to fraction form
    15,036,317.55/20,750,138.24 = 8,160,799.61/x
  3. Step 3: Cross multiply
    15,036,317.55x = 20,750,138.24 × 8,160,799.61
  4. Step 4: Simplify right side
    15,036,317.55x = 169,337,720,046,237.09
  5. Step 5: Solve for x
    x = 169,337,720,046,237.09/15,036,317.55
  6. Step 6: Final answer
    x = 11,261,914.33

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1.5x scale

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.