Home / 12,762,979.53-17,619,415.70-9,855,844.17

Finding the Fourth Proportional to 12,762,979.53, 17,619,415.70 and 9,855,844.17

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Solution

The fourth proportional to 12,762,979.53, 17,619,415.70 and 9,855,844.17 is: 13,606,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762,979.53 : 17,619,415.70 = 9,855,844.17 : x
  2. Step 2: Convert to fraction form
    12,762,979.53/17,619,415.70 = 9,855,844.17/x
  3. Step 3: Cross multiply
    12,762,979.53x = 17,619,415.70 × 9,855,844.17
  4. Step 4: Simplify right side
    12,762,979.53x = 173,654,215,456,372.25
  5. Step 5: Solve for x
    x = 173,654,215,456,372.25/12,762,979.53
  6. Step 6: Final answer
    x = 13,606,087.44

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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.