Home / 15,871,732.53-21,904,703.30-8,995,476.48

Finding the Fourth Proportional to 15,871,732.53, 21,904,703.30 and 8,995,476.48

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Solution

The fourth proportional to 15,871,732.53, 21,904,703.30 and 8,995,476.48 is: 12,414,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871,732.53 : 21,904,703.30 = 8,995,476.48 : x
  2. Step 2: Convert to fraction form
    15,871,732.53/21,904,703.30 = 8,995,476.48/x
  3. Step 3: Cross multiply
    15,871,732.53x = 21,904,703.30 × 8,995,476.48
  4. Step 4: Simplify right side
    15,871,732.53x = 197,043,243,291,551.03
  5. Step 5: Solve for x
    x = 197,043,243,291,551.03/15,871,732.53
  6. Step 6: Final answer
    x = 12,414,728.07

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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.