Home / 13,267,338.93-19,900,943.06-5,181,135.93

Finding the Fourth Proportional to 13,267,338.93, 19,900,943.06 and 5,181,135.93

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Solution

The fourth proportional to 13,267,338.93, 19,900,943.06 and 5,181,135.93 is: 7,771,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267,338.93 : 19,900,943.06 = 5,181,135.93 : x
  2. Step 2: Convert to fraction form
    13,267,338.93/19,900,943.06 = 5,181,135.93/x
  3. Step 3: Cross multiply
    13,267,338.93x = 19,900,943.06 × 5,181,135.93
  4. Step 4: Simplify right side
    13,267,338.93x = 103,109,491,103,144.45
  5. Step 5: Solve for x
    x = 103,109,491,103,144.45/13,267,338.93
  6. Step 6: Final answer
    x = 7,771,678.38

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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.