Home / 12,326,911.27-18,492,888.78-4,238,836.48

Finding the Fourth Proportional to 12,326,911.27, 18,492,888.78 and 4,238,836.48

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Solution

The fourth proportional to 12,326,911.27, 18,492,888.78 and 4,238,836.48 is: 6,359,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326,911.27 : 18,492,888.78 = 4,238,836.48 : x
  2. Step 2: Convert to fraction form
    12,326,911.27/18,492,888.78 = 4,238,836.48/x
  3. Step 3: Cross multiply
    12,326,911.27x = 18,492,888.78 × 4,238,836.48
  4. Step 4: Simplify right side
    12,326,911.27x = 78,388,331,581,246.70
  5. Step 5: Solve for x
    x = 78,388,331,581,246.70/12,326,911.27
  6. Step 6: Final answer
    x = 6,359,121.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.