Home / 31,631,455.72-47,398,108.02-21,934,982.44

Finding the Fourth Proportional to 31,631,455.72, 47,398,108.02 and 21,934,982.44

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Solution

The fourth proportional to 31,631,455.72, 47,398,108.02 and 21,934,982.44 is: 32,868,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,631,455.72 : 47,398,108.02 = 21,934,982.44 : x
  2. Step 2: Convert to fraction form
    31,631,455.72/47,398,108.02 = 21,934,982.44/x
  3. Step 3: Cross multiply
    31,631,455.72x = 47,398,108.02 × 21,934,982.44
  4. Step 4: Simplify right side
    31,631,455.72x = 1,039,676,667,107,923.25
  5. Step 5: Solve for x
    x = 1,039,676,667,107,923.25/31,631,455.72
  6. Step 6: Final answer
    x = 32,868,441.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.