Home / 13,539,380.09-20,308,322.59-9,899,839.62

Finding the Fourth Proportional to 13,539,380.09, 20,308,322.59 and 9,899,839.62

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Solution

The fourth proportional to 13,539,380.09, 20,308,322.59 and 9,899,839.62 is: 14,849,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539,380.09 : 20,308,322.59 = 9,899,839.62 : x
  2. Step 2: Convert to fraction form
    13,539,380.09/20,308,322.59 = 9,899,839.62/x
  3. Step 3: Cross multiply
    13,539,380.09x = 20,308,322.59 × 9,899,839.62
  4. Step 4: Simplify right side
    13,539,380.09x = 201,049,136,538,919.91
  5. Step 5: Solve for x
    x = 201,049,136,538,919.91/13,539,380.09
  6. Step 6: Final answer
    x = 14,849,212.83

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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.