Home / 8,171,642.36-11,276,031.92-5,031,407.36

Finding the Fourth Proportional to 8,171,642.36, 11,276,031.92 and 5,031,407.36

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Solution

The fourth proportional to 8,171,642.36, 11,276,031.92 and 5,031,407.36 is: 6,942,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,642.36 : 11,276,031.92 = 5,031,407.36 : x
  2. Step 2: Convert to fraction form
    8,171,642.36/11,276,031.92 = 5,031,407.36/x
  3. Step 3: Cross multiply
    8,171,642.36x = 11,276,031.92 × 5,031,407.36
  4. Step 4: Simplify right side
    8,171,642.36x = 56,734,309,993,882.94
  5. Step 5: Solve for x
    x = 56,734,309,993,882.94/8,171,642.36
  6. Step 6: Final answer
    x = 6,942,828.32

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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.