Home / 13,126,048.44-18,112,764.96-8,229,705.36

Finding the Fourth Proportional to 13,126,048.44, 18,112,764.96 and 8,229,705.36

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Solution

The fourth proportional to 13,126,048.44, 18,112,764.96 and 8,229,705.36 is: 11,356,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,048.44 : 18,112,764.96 = 8,229,705.36 : x
  2. Step 2: Convert to fraction form
    13,126,048.44/18,112,764.96 = 8,229,705.36/x
  3. Step 3: Cross multiply
    13,126,048.44x = 18,112,764.96 × 8,229,705.36
  4. Step 4: Simplify right side
    13,126,048.44x = 149,062,718,875,732.19
  5. Step 5: Solve for x
    x = 149,062,718,875,732.19/13,126,048.44
  6. Step 6: Final answer
    x = 11,356,252.38

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1.5x scale

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.