Home / 13,384,013.16-18,469,873.62-7,582,782.36

Finding the Fourth Proportional to 13,384,013.16, 18,469,873.62 and 7,582,782.36

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Solution

The fourth proportional to 13,384,013.16, 18,469,873.62 and 7,582,782.36 is: 10,464,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,013.16 : 18,469,873.62 = 7,582,782.36 : x
  2. Step 2: Convert to fraction form
    13,384,013.16/18,469,873.62 = 7,582,782.36/x
  3. Step 3: Cross multiply
    13,384,013.16x = 18,469,873.62 × 7,582,782.36
  4. Step 4: Simplify right side
    13,384,013.16x = 140,053,031,877,165.36
  5. Step 5: Solve for x
    x = 140,053,031,877,165.36/13,384,013.16
  6. Step 6: Final answer
    x = 10,464,203.09

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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.