Home / 13,203,772.62-19,805,498.54-3,619,143.06

Finding the Fourth Proportional to 13,203,772.62, 19,805,498.54 and 3,619,143.06

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Solution

The fourth proportional to 13,203,772.62, 19,805,498.54 and 3,619,143.06 is: 5,428,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,772.62 : 19,805,498.54 = 3,619,143.06 : x
  2. Step 2: Convert to fraction form
    13,203,772.62/19,805,498.54 = 3,619,143.06/x
  3. Step 3: Cross multiply
    13,203,772.62x = 19,805,498.54 × 3,619,143.06
  4. Step 4: Simplify right side
    13,203,772.62x = 71,678,932,590,881.12
  5. Step 5: Solve for x
    x = 71,678,932,590,881.12/13,203,772.62
  6. Step 6: Final answer
    x = 5,428,670.63

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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.