Home / 15,871,665.36-21,904,924.32-9,345,902.04

Finding the Fourth Proportional to 15,871,665.36, 21,904,924.32 and 9,345,902.04

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Solution

The fourth proportional to 15,871,665.36, 21,904,924.32 and 9,345,902.04 is: 12,898,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871,665.36 : 21,904,924.32 = 9,345,902.04 : x
  2. Step 2: Convert to fraction form
    15,871,665.36/21,904,924.32 = 9,345,902.04/x
  3. Step 3: Cross multiply
    15,871,665.36x = 21,904,924.32 × 9,345,902.04
  4. Step 4: Simplify right side
    15,871,665.36x = 204,721,276,888,333.59
  5. Step 5: Solve for x
    x = 204,721,276,888,333.59/15,871,665.36
  6. Step 6: Final answer
    x = 12,898,537.88

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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.