Home / 14,729,387.72-20,329,028.55-8,538,307.16

Finding the Fourth Proportional to 14,729,387.72, 20,329,028.55 and 8,538,307.16

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Solution

The fourth proportional to 14,729,387.72, 20,329,028.55 and 8,538,307.16 is: 11,784,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729,387.72 : 20,329,028.55 = 8,538,307.16 : x
  2. Step 2: Convert to fraction form
    14,729,387.72/20,329,028.55 = 8,538,307.16/x
  3. Step 3: Cross multiply
    14,729,387.72x = 20,329,028.55 × 8,538,307.16
  4. Step 4: Simplify right side
    14,729,387.72x = 173,575,489,922,664.28
  5. Step 5: Solve for x
    x = 173,575,489,922,664.28/14,729,387.72
  6. Step 6: Final answer
    x = 11,784,297.71

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1.5x scale

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.