Home / 31,422,981.88-43,365,430.38-17,672,758.84

Finding the Fourth Proportional to 31,422,981.88, 43,365,430.38 and 17,672,758.84

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Solution

The fourth proportional to 31,422,981.88, 43,365,430.38 and 17,672,758.84 is: 24,389,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422,981.88 : 43,365,430.38 = 17,672,758.84 : x
  2. Step 2: Convert to fraction form
    31,422,981.88/43,365,430.38 = 17,672,758.84/x
  3. Step 3: Cross multiply
    31,422,981.88x = 43,365,430.38 × 17,672,758.84
  4. Step 4: Simplify right side
    31,422,981.88x = 766,386,793,098,549.62
  5. Step 5: Solve for x
    x = 766,386,793,098,549.62/31,422,981.88
  6. Step 6: Final answer
    x = 24,389,371.96

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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.