Home / 13,306,679.32-18,363,456.61-7,804,022.97

Finding the Fourth Proportional to 13,306,679.32, 18,363,456.61 and 7,804,022.97

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Solution

The fourth proportional to 13,306,679.32, 18,363,456.61 and 7,804,022.97 is: 10,769,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,679.32 : 18,363,456.61 = 7,804,022.97 : x
  2. Step 2: Convert to fraction form
    13,306,679.32/18,363,456.61 = 7,804,022.97/x
  3. Step 3: Cross multiply
    13,306,679.32x = 18,363,456.61 × 7,804,022.97
  4. Step 4: Simplify right side
    13,306,679.32x = 143,308,837,193,038.31
  5. Step 5: Solve for x
    x = 143,308,837,193,038.31/13,306,679.32
  6. Step 6: Final answer
    x = 10,769,691.95

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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.