Home / 31,461,861.33-43,423,800.17-19,851,603.21

Finding the Fourth Proportional to 31,461,861.33, 43,423,800.17 and 19,851,603.21

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Solution

The fourth proportional to 31,461,861.33, 43,423,800.17 and 19,851,603.21 is: 27,399,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461,861.33 : 43,423,800.17 = 19,851,603.21 : x
  2. Step 2: Convert to fraction form
    31,461,861.33/43,423,800.17 = 19,851,603.21/x
  3. Step 3: Cross multiply
    31,461,861.33x = 43,423,800.17 × 19,851,603.21
  4. Step 4: Simplify right side
    31,461,861.33x = 862,032,050,745,912.50
  5. Step 5: Solve for x
    x = 862,032,050,745,912.50/31,461,861.33
  6. Step 6: Final answer
    x = 27,399,270.56

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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.