Home / 31,703,481-43,750,810.13-19,313,573.76

Finding the Fourth Proportional to 31,703,481, 43,750,810.13 and 19,313,573.76

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Solution

The fourth proportional to 31,703,481, 43,750,810.13 and 19,313,573.76 is: 26,652,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703,481 : 43,750,810.13 = 19,313,573.76 : x
  2. Step 2: Convert to fraction form
    31,703,481/43,750,810.13 = 19,313,573.76/x
  3. Step 3: Cross multiply
    31,703,481x = 43,750,810.13 × 19,313,573.76
  4. Step 4: Simplify right side
    31,703,481x = 844,984,498,408,942.38
  5. Step 5: Solve for x
    x = 844,984,498,408,942.38/31,703,481
  6. Step 6: Final answer
    x = 26,652,735.65

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1.5x scale

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.