Home / 19,019,920.24-26,247,490.05-10,871,333.20

Finding the Fourth Proportional to 19,019,920.24, 26,247,490.05 and 10,871,333.20

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Solution

The fourth proportional to 19,019,920.24, 26,247,490.05 and 10,871,333.20 is: 15,002,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019,920.24 : 26,247,490.05 = 10,871,333.20 : x
  2. Step 2: Convert to fraction form
    19,019,920.24/26,247,490.05 = 10,871,333.20/x
  3. Step 3: Cross multiply
    19,019,920.24x = 26,247,490.05 × 10,871,333.20
  4. Step 4: Simplify right side
    19,019,920.24x = 285,345,209,997,234.62
  5. Step 5: Solve for x
    x = 285,345,209,997,234.62/19,019,920.24
  6. Step 6: Final answer
    x = 15,002,439.88

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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.