Home / 19,157,235.44-26,428,691.25-11,715,222.80

Finding the Fourth Proportional to 19,157,235.44, 26,428,691.25 and 11,715,222.80

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Solution

The fourth proportional to 19,157,235.44, 26,428,691.25 and 11,715,222.80 is: 16,161,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,235.44 : 26,428,691.25 = 11,715,222.80 : x
  2. Step 2: Convert to fraction form
    19,157,235.44/26,428,691.25 = 11,715,222.80/x
  3. Step 3: Cross multiply
    19,157,235.44x = 26,428,691.25 × 11,715,222.80
  4. Step 4: Simplify right side
    19,157,235.44x = 309,618,006,174,017.06
  5. Step 5: Solve for x
    x = 309,618,006,174,017.06/19,157,235.44
  6. Step 6: Final answer
    x = 16,161,935.64

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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.