Home / 31,412,942.20-43,357,557.90-19,200,037.24

Finding the Fourth Proportional to 31,412,942.20, 43,357,557.90 and 19,200,037.24

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Solution

The fourth proportional to 31,412,942.20, 43,357,557.90 and 19,200,037.24 is: 26,500,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412,942.20 : 43,357,557.90 = 19,200,037.24 : x
  2. Step 2: Convert to fraction form
    31,412,942.20/43,357,557.90 = 19,200,037.24/x
  3. Step 3: Cross multiply
    31,412,942.20x = 43,357,557.90 × 19,200,037.24
  4. Step 4: Simplify right side
    31,412,942.20x = 832,466,726,315,456.12
  5. Step 5: Solve for x
    x = 832,466,726,315,456.12/31,412,942.20
  6. Step 6: Final answer
    x = 26,500,756.31

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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.