Home / 13,920,762.36-19,206,347.34-8,115,434.04

Finding the Fourth Proportional to 13,920,762.36, 19,206,347.34 and 8,115,434.04

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Solution

The fourth proportional to 13,920,762.36, 19,206,347.34 and 8,115,434.04 is: 11,196,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,920,762.36 : 19,206,347.34 = 8,115,434.04 : x
  2. Step 2: Convert to fraction form
    13,920,762.36/19,206,347.34 = 8,115,434.04/x
  3. Step 3: Cross multiply
    13,920,762.36x = 19,206,347.34 × 8,115,434.04
  4. Step 4: Simplify right side
    13,920,762.36x = 155,867,844,987,099.44
  5. Step 5: Solve for x
    x = 155,867,844,987,099.44/13,920,762.36
  6. Step 6: Final answer
    x = 11,196,789.44

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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.