Home / 38,527,005.52-53,166,986.60-21,123,063.68

Finding the Fourth Proportional to 38,527,005.52, 53,166,986.60 and 21,123,063.68

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Solution

The fourth proportional to 38,527,005.52, 53,166,986.60 and 21,123,063.68 is: 29,149,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527,005.52 : 53,166,986.60 = 21,123,063.68 : x
  2. Step 2: Convert to fraction form
    38,527,005.52/53,166,986.60 = 21,123,063.68/x
  3. Step 3: Cross multiply
    38,527,005.52x = 53,166,986.60 × 21,123,063.68
  4. Step 4: Simplify right side
    38,527,005.52x = 1,123,049,643,625,506.75
  5. Step 5: Solve for x
    x = 1,123,049,643,625,506.75/38,527,005.52
  6. Step 6: Final answer
    x = 29,149,673.81

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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.