Home / 38,701,576.17-53,396,149.53-21,953,557.51

Finding the Fourth Proportional to 38,701,576.17, 53,396,149.53 and 21,953,557.51

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Solution

The fourth proportional to 38,701,576.17, 53,396,149.53 and 21,953,557.51 is: 30,289,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701,576.17 : 53,396,149.53 = 21,953,557.51 : x
  2. Step 2: Convert to fraction form
    38,701,576.17/53,396,149.53 = 21,953,557.51/x
  3. Step 3: Cross multiply
    38,701,576.17x = 53,396,149.53 × 21,953,557.51
  4. Step 4: Simplify right side
    38,701,576.17x = 1,172,235,439,519,414.50
  5. Step 5: Solve for x
    x = 1,172,235,439,519,414.50/38,701,576.17
  6. Step 6: Final answer
    x = 30,289,087.82

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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.