Home / 13,226,554.45-18,254,637.26-8,072,910.82

Finding the Fourth Proportional to 13,226,554.45, 18,254,637.26 and 8,072,910.82

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Solution

The fourth proportional to 13,226,554.45, 18,254,637.26 and 8,072,910.82 is: 11,141,832.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,554.45 : 18,254,637.26 = 8,072,910.82 : x
  2. Step 2: Convert to fraction form
    13,226,554.45/18,254,637.26 = 8,072,910.82/x
  3. Step 3: Cross multiply
    13,226,554.45x = 18,254,637.26 × 8,072,910.82
  4. Step 4: Simplify right side
    13,226,554.45x = 147,368,058,651,429.16
  5. Step 5: Solve for x
    x = 147,368,058,651,429.16/13,226,554.45
  6. Step 6: Final answer
    x = 11,141,832.83

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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.