Home / 13,808,668.75-20,712,257.71-4,224,048.37

Finding the Fourth Proportional to 13,808,668.75, 20,712,257.71 and 4,224,048.37

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Solution

The fourth proportional to 13,808,668.75, 20,712,257.71 and 4,224,048.37 is: 6,335,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,668.75 : 20,712,257.71 = 4,224,048.37 : x
  2. Step 2: Convert to fraction form
    13,808,668.75/20,712,257.71 = 4,224,048.37/x
  3. Step 3: Cross multiply
    13,808,668.75x = 20,712,257.71 × 4,224,048.37
  4. Step 4: Simplify right side
    13,808,668.75x = 87,489,578,418,945.44
  5. Step 5: Solve for x
    x = 87,489,578,418,945.44/13,808,668.75
  6. Step 6: Final answer
    x = 6,335,844.53

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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.