Home / 14,256,874.20-21,338,072.10-13,123,133.40

Finding the Fourth Proportional to 14,256,874.20, 21,338,072.10 and 13,123,133.40

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Solution

The fourth proportional to 14,256,874.20, 21,338,072.10 and 13,123,133.40 is: 19,641,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256,874.20 : 21,338,072.10 = 13,123,133.40 : x
  2. Step 2: Convert to fraction form
    14,256,874.20/21,338,072.10 = 13,123,133.40/x
  3. Step 3: Cross multiply
    14,256,874.20x = 21,338,072.10 × 13,123,133.40
  4. Step 4: Simplify right side
    14,256,874.20x = 280,022,366,667,118.16
  5. Step 5: Solve for x
    x = 280,022,366,667,118.16/14,256,874.20
  6. Step 6: Final answer
    x = 19,641,217.47

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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.