Home / 14,825,578.96-20,448,751.88-13,605,823.36

Finding the Fourth Proportional to 14,825,578.96, 20,448,751.88 and 13,605,823.36

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Solution

The fourth proportional to 14,825,578.96, 20,448,751.88 and 13,605,823.36 is: 18,766,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825,578.96 : 20,448,751.88 = 13,605,823.36 : x
  2. Step 2: Convert to fraction form
    14,825,578.96/20,448,751.88 = 13,605,823.36/x
  3. Step 3: Cross multiply
    14,825,578.96x = 20,448,751.88 × 13,605,823.36
  4. Step 4: Simplify right side
    14,825,578.96x = 278,222,106,011,747.88
  5. Step 5: Solve for x
    x = 278,222,106,011,747.88/14,825,578.96
  6. Step 6: Final answer
    x = 18,766,356.90

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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.