Home / 13,979,071.02-20,972,100.06-11,111,257.92

Finding the Fourth Proportional to 13,979,071.02, 20,972,100.06 and 11,111,257.92

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Solution

The fourth proportional to 13,979,071.02, 20,972,100.06 and 11,111,257.92 is: 16,669,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,071.02 : 20,972,100.06 = 11,111,257.92 : x
  2. Step 2: Convert to fraction form
    13,979,071.02/20,972,100.06 = 11,111,257.92/x
  3. Step 3: Cross multiply
    13,979,071.02x = 20,972,100.06 × 11,111,257.92
  4. Step 4: Simplify right side
    13,979,071.02x = 233,026,412,890,707.47
  5. Step 5: Solve for x
    x = 233,026,412,890,707.47/13,979,071.02
  6. Step 6: Final answer
    x = 16,669,663.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.