Home / 15,054,227.24-20,774,722.74-8,178,765.80

Finding the Fourth Proportional to 15,054,227.24, 20,774,722.74 and 8,178,765.80

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Solution

The fourth proportional to 15,054,227.24, 20,774,722.74 and 8,178,765.80 is: 11,286,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054,227.24 : 20,774,722.74 = 8,178,765.80 : x
  2. Step 2: Convert to fraction form
    15,054,227.24/20,774,722.74 = 8,178,765.80/x
  3. Step 3: Cross multiply
    15,054,227.24x = 20,774,722.74 × 8,178,765.80
  4. Step 4: Simplify right side
    15,054,227.24x = 169,911,591,850,394.28
  5. Step 5: Solve for x
    x = 169,911,591,850,394.28/15,054,227.24
  6. Step 6: Final answer
    x = 11,286,636.58

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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.