Home / 13,608,389.01-20,378,973.87-10,141,815.97

Finding the Fourth Proportional to 13,608,389.01, 20,378,973.87 and 10,141,815.97

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Solution

The fourth proportional to 13,608,389.01, 20,378,973.87 and 10,141,815.97 is: 15,187,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,389.01 : 20,378,973.87 = 10,141,815.97 : x
  2. Step 2: Convert to fraction form
    13,608,389.01/20,378,973.87 = 10,141,815.97/x
  3. Step 3: Cross multiply
    13,608,389.01x = 20,378,973.87 × 10,141,815.97
  4. Step 4: Simplify right side
    13,608,389.01x = 206,679,802,646,978.72
  5. Step 5: Solve for x
    x = 206,679,802,646,978.72/13,608,389.01
  6. Step 6: Final answer
    x = 15,187,675.96

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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.