Home / 15,054,180.85-20,774,658.76-8,178,719.41

Finding the Fourth Proportional to 15,054,180.85, 20,774,658.76 and 8,178,719.41

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Solution

The fourth proportional to 15,054,180.85, 20,774,658.76 and 8,178,719.41 is: 11,286,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054,180.85 : 20,774,658.76 = 8,178,719.41 : x
  2. Step 2: Convert to fraction form
    15,054,180.85/20,774,658.76 = 8,178,719.41/x
  3. Step 3: Cross multiply
    15,054,180.85x = 20,774,658.76 × 8,178,719.41
  4. Step 4: Simplify right side
    15,054,180.85x = 169,910,104,836,538.56
  5. Step 5: Solve for x
    x = 169,910,104,836,538.56/15,054,180.85
  6. Step 6: Final answer
    x = 11,286,572.58

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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.