Home / 31,538,264.70-47,307,198.53-16,972,045.56

Finding the Fourth Proportional to 31,538,264.70, 47,307,198.53 and 16,972,045.56

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Solution

The fourth proportional to 31,538,264.70, 47,307,198.53 and 16,972,045.56 is: 25,457,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,538,264.70 : 47,307,198.53 = 16,972,045.56 : x
  2. Step 2: Convert to fraction form
    31,538,264.70/47,307,198.53 = 16,972,045.56/x
  3. Step 3: Cross multiply
    31,538,264.70x = 47,307,198.53 × 16,972,045.56
  4. Step 4: Simplify right side
    31,538,264.70x = 802,899,928,610,938
  5. Step 5: Solve for x
    x = 802,899,928,610,938/31,538,264.70
  6. Step 6: Final answer
    x = 25,457,961.51

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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.