Home / 14,815,834.26-20,446,643.10-8,289,072.96

Finding the Fourth Proportional to 14,815,834.26, 20,446,643.10 and 8,289,072.96

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Solution

The fourth proportional to 14,815,834.26, 20,446,643.10 and 8,289,072.96 is: 11,439,363.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815,834.26 : 20,446,643.10 = 8,289,072.96 : x
  2. Step 2: Convert to fraction form
    14,815,834.26/20,446,643.10 = 8,289,072.96/x
  3. Step 3: Cross multiply
    14,815,834.26x = 20,446,643.10 × 8,289,072.96
  4. Step 4: Simplify right side
    14,815,834.26x = 169,483,716,442,980.59
  5. Step 5: Solve for x
    x = 169,483,716,442,980.59/14,815,834.26
  6. Step 6: Final answer
    x = 11,439,363.69

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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.