Home / 39,245,303.28-54,158,519.28-21,845,758.88

Finding the Fourth Proportional to 39,245,303.28, 54,158,519.28 and 21,845,758.88

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Solution

The fourth proportional to 39,245,303.28, 54,158,519.28 and 21,845,758.88 is: 30,147,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245,303.28 : 54,158,519.28 = 21,845,758.88 : x
  2. Step 2: Convert to fraction form
    39,245,303.28/54,158,519.28 = 21,845,758.88/x
  3. Step 3: Cross multiply
    39,245,303.28x = 54,158,519.28 × 21,845,758.88
  4. Step 4: Simplify right side
    39,245,303.28x = 1,183,133,953,488,711.25
  5. Step 5: Solve for x
    x = 1,183,133,953,488,711.25/39,245,303.28
  6. Step 6: Final answer
    x = 30,147,147.67

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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.