Home / 13,488,439.50-18,614,033.38-7,293,471.39

Finding the Fourth Proportional to 13,488,439.50, 18,614,033.38 and 7,293,471.39

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Solution

The fourth proportional to 13,488,439.50, 18,614,033.38 and 7,293,471.39 is: 10,064,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,439.50 : 18,614,033.38 = 7,293,471.39 : x
  2. Step 2: Convert to fraction form
    13,488,439.50/18,614,033.38 = 7,293,471.39/x
  3. Step 3: Cross multiply
    13,488,439.50x = 18,614,033.38 × 7,293,471.39
  4. Step 4: Simplify right side
    13,488,439.50x = 135,760,919,879,389.27
  5. Step 5: Solve for x
    x = 135,760,919,879,389.27/13,488,439.50
  6. Step 6: Final answer
    x = 10,064,983.42

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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.