Home / 15,009,697.51-20,713,400.27-8,134,179.57

Finding the Fourth Proportional to 15,009,697.51, 20,713,400.27 and 8,134,179.57

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Solution

The fourth proportional to 15,009,697.51, 20,713,400.27 and 8,134,179.57 is: 11,225,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,697.51 : 20,713,400.27 = 8,134,179.57 : x
  2. Step 2: Convert to fraction form
    15,009,697.51/20,713,400.27 = 8,134,179.57/x
  3. Step 3: Cross multiply
    15,009,697.51x = 20,713,400.27 × 8,134,179.57
  4. Step 4: Simplify right side
    15,009,697.51x = 168,486,517,373,585.44
  5. Step 5: Solve for x
    x = 168,486,517,373,585.44/15,009,697.51
  6. Step 6: Final answer
    x = 11,225,177.41

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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.