Home / 18,218,712.92-25,141,822.81-9,958,810.01

Finding the Fourth Proportional to 18,218,712.92, 25,141,822.81 and 9,958,810.01

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Solution

The fourth proportional to 18,218,712.92, 25,141,822.81 and 9,958,810.01 is: 13,743,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218,712.92 : 25,141,822.81 = 9,958,810.01 : x
  2. Step 2: Convert to fraction form
    18,218,712.92/25,141,822.81 = 9,958,810.01/x
  3. Step 3: Cross multiply
    18,218,712.92x = 25,141,822.81 × 9,958,810.01
  4. Step 4: Simplify right side
    18,218,712.92x = 250,382,636,519,268.22
  5. Step 5: Solve for x
    x = 250,382,636,519,268.22/18,218,712.92
  6. Step 6: Final answer
    x = 13,743,157.25

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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.