Home / 38,769,632.73-53,502,458.45-21,366,604.53

Finding the Fourth Proportional to 38,769,632.73, 53,502,458.45 and 21,366,604.53

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Solution

The fourth proportional to 38,769,632.73, 53,502,458.45 and 21,366,604.53 is: 29,486,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769,632.73 : 53,502,458.45 = 21,366,604.53 : x
  2. Step 2: Convert to fraction form
    38,769,632.73/53,502,458.45 = 21,366,604.53/x
  3. Step 3: Cross multiply
    38,769,632.73x = 53,502,458.45 × 21,366,604.53
  4. Step 4: Simplify right side
    38,769,632.73x = 1,143,165,870,977,073.75
  5. Step 5: Solve for x
    x = 1,143,165,870,977,073.75/38,769,632.73
  6. Step 6: Final answer
    x = 29,486,115.56

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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.