Home / 14,124,715.94-21,132,007.45-12,381,749.44

Finding the Fourth Proportional to 14,124,715.94, 21,132,007.45 and 12,381,749.44

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Solution

The fourth proportional to 14,124,715.94, 21,132,007.45 and 12,381,749.44 is: 18,524,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124,715.94 : 21,132,007.45 = 12,381,749.44 : x
  2. Step 2: Convert to fraction form
    14,124,715.94/21,132,007.45 = 12,381,749.44/x
  3. Step 3: Cross multiply
    14,124,715.94x = 21,132,007.45 × 12,381,749.44
  4. Step 4: Simplify right side
    14,124,715.94x = 261,651,221,326,328.97
  5. Step 5: Solve for x
    x = 261,651,221,326,328.97/14,124,715.94
  6. Step 6: Final answer
    x = 18,524,352.80

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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.