Home / 16,642,505.60-24,963,758.40-13,619,196.80

Finding the Fourth Proportional to 16,642,505.60, 24,963,758.40 and 13,619,196.80

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Solution

The fourth proportional to 16,642,505.60, 24,963,758.40 and 13,619,196.80 is: 20,428,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642,505.60 : 24,963,758.40 = 13,619,196.80 : x
  2. Step 2: Convert to fraction form
    16,642,505.60/24,963,758.40 = 13,619,196.80/x
  3. Step 3: Cross multiply
    16,642,505.60x = 24,963,758.40 × 13,619,196.80
  4. Step 4: Simplify right side
    16,642,505.60x = 339,986,338,517,253.12
  5. Step 5: Solve for x
    x = 339,986,338,517,253.12/16,642,505.60
  6. Step 6: Final answer
    x = 20,428,795.20

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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.