Home / 39,016,896.38-53,843,308.96-21,376,424.70

Finding the Fourth Proportional to 39,016,896.38, 53,843,308.96 and 21,376,424.70

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Solution

The fourth proportional to 39,016,896.38, 53,843,308.96 and 21,376,424.70 is: 29,499,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,016,896.38 : 53,843,308.96 = 21,376,424.70 : x
  2. Step 2: Convert to fraction form
    39,016,896.38/53,843,308.96 = 21,376,424.70/x
  3. Step 3: Cross multiply
    39,016,896.38x = 53,843,308.96 × 21,376,424.70
  4. Step 4: Simplify right side
    39,016,896.38x = 1,150,977,439,720,376.25
  5. Step 5: Solve for x
    x = 1,150,977,439,720,376.25/39,016,896.38
  6. Step 6: Final answer
    x = 29,499,461.68

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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.