Home / 13,058,218.92-18,014,752.29-8,154,928.47

Finding the Fourth Proportional to 13,058,218.92, 18,014,752.29 and 8,154,928.47

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Solution

The fourth proportional to 13,058,218.92, 18,014,752.29 and 8,154,928.47 is: 11,250,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058,218.92 : 18,014,752.29 = 8,154,928.47 : x
  2. Step 2: Convert to fraction form
    13,058,218.92/18,014,752.29 = 8,154,928.47/x
  3. Step 3: Cross multiply
    13,058,218.92x = 18,014,752.29 × 8,154,928.47
  4. Step 4: Simplify right side
    13,058,218.92x = 146,909,016,329,718.69
  5. Step 5: Solve for x
    x = 146,909,016,329,718.69/13,058,218.92
  6. Step 6: Final answer
    x = 11,250,310.42

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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.