Home / 54,378,824.38-81,567,437.85-13,438,262.41

Finding the Fourth Proportional to 54,378,824.38, 81,567,437.85 and 13,438,262.41

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Solution

The fourth proportional to 54,378,824.38, 81,567,437.85 and 13,438,262.41 is: 20,157,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,378,824.38 : 81,567,437.85 = 13,438,262.41 : x
  2. Step 2: Convert to fraction form
    54,378,824.38/81,567,437.85 = 13,438,262.41/x
  3. Step 3: Cross multiply
    54,378,824.38x = 81,567,437.85 × 13,438,262.41
  4. Step 4: Simplify right side
    54,378,824.38x = 1,096,124,633,939,666.12
  5. Step 5: Solve for x
    x = 1,096,124,633,939,666.12/54,378,824.38
  6. Step 6: Final answer
    x = 20,157,196.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.