Home / 31,618,302.66-43,631,230.50-17,680,806

Finding the Fourth Proportional to 31,618,302.66, 43,631,230.50 and 17,680,806

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Solution

The fourth proportional to 31,618,302.66, 43,631,230.50 and 17,680,806 is: 24,398,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618,302.66 : 43,631,230.50 = 17,680,806 : x
  2. Step 2: Convert to fraction form
    31,618,302.66/43,631,230.50 = 17,680,806/x
  3. Step 3: Cross multiply
    31,618,302.66x = 43,631,230.50 × 17,680,806
  4. Step 4: Simplify right side
    31,618,302.66x = 771,435,322,011,783
  5. Step 5: Solve for x
    x = 771,435,322,011,783/31,618,302.66
  6. Step 6: Final answer
    x = 24,398,378.70

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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.