Home / 13,125,269.92-19,659,561.36-12,804,043.36

Finding the Fourth Proportional to 13,125,269.92, 19,659,561.36 and 12,804,043.36

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Solution

The fourth proportional to 13,125,269.92, 19,659,561.36 and 12,804,043.36 is: 19,178,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125,269.92 : 19,659,561.36 = 12,804,043.36 : x
  2. Step 2: Convert to fraction form
    13,125,269.92/19,659,561.36 = 12,804,043.36/x
  3. Step 3: Cross multiply
    13,125,269.92x = 19,659,561.36 × 12,804,043.36
  4. Step 4: Simplify right side
    13,125,269.92x = 251,721,876,092,020.56
  5. Step 5: Solve for x
    x = 251,721,876,092,020.56/13,125,269.92
  6. Step 6: Final answer
    x = 19,178,415.20

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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.