Home / 18,162,797.16-25,064,855.71-9,902,792.04

Finding the Fourth Proportional to 18,162,797.16, 25,064,855.71 and 9,902,792.04

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Solution

The fourth proportional to 18,162,797.16, 25,064,855.71 and 9,902,792.04 is: 13,665,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162,797.16 : 25,064,855.71 = 9,902,792.04 : x
  2. Step 2: Convert to fraction form
    18,162,797.16/25,064,855.71 = 9,902,792.04/x
  3. Step 3: Cross multiply
    18,162,797.16x = 25,064,855.71 × 9,902,792.04
  4. Step 4: Simplify right side
    18,162,797.16x = 248,212,053,686,679.38
  5. Step 5: Solve for x
    x = 248,212,053,686,679.38/18,162,797.16
  6. Step 6: Final answer
    x = 13,665,959.68

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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.