Home / 31,172,640.48-43,018,306.20-17,421,604.20

Finding the Fourth Proportional to 31,172,640.48, 43,018,306.20 and 17,421,604.20

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Solution

The fourth proportional to 31,172,640.48, 43,018,306.20 and 17,421,604.20 is: 24,041,848.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,172,640.48 : 43,018,306.20 = 17,421,604.20 : x
  2. Step 2: Convert to fraction form
    31,172,640.48/43,018,306.20 = 17,421,604.20/x
  3. Step 3: Cross multiply
    31,172,640.48x = 43,018,306.20 × 17,421,604.20
  4. Step 4: Simplify right side
    31,172,640.48x = 749,447,903,970,806
  5. Step 5: Solve for x
    x = 749,447,903,970,806/31,172,640.48
  6. Step 6: Final answer
    x = 24,041,848.63

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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.