Home / 11,069,029.14-15,275,638.72-6,422,463.36

Finding the Fourth Proportional to 11,069,029.14, 15,275,638.72 and 6,422,463.36

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Solution

The fourth proportional to 11,069,029.14, 15,275,638.72 and 6,422,463.36 is: 8,863,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069,029.14 : 15,275,638.72 = 6,422,463.36 : x
  2. Step 2: Convert to fraction form
    11,069,029.14/15,275,638.72 = 6,422,463.36/x
  3. Step 3: Cross multiply
    11,069,029.14x = 15,275,638.72 × 6,422,463.36
  4. Step 4: Simplify right side
    11,069,029.14x = 98,107,229,979,797.31
  5. Step 5: Solve for x
    x = 98,107,229,979,797.31/11,069,029.14
  6. Step 6: Final answer
    x = 8,863,219.05

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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.