Home / 38,538,464.09-57,814,175.55-19,108,649.43

Finding the Fourth Proportional to 38,538,464.09, 57,814,175.55 and 19,108,649.43

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Solution

The fourth proportional to 38,538,464.09, 57,814,175.55 and 19,108,649.43 is: 28,666,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,538,464.09 : 57,814,175.55 = 19,108,649.43 : x
  2. Step 2: Convert to fraction form
    38,538,464.09/57,814,175.55 = 19,108,649.43/x
  3. Step 3: Cross multiply
    38,538,464.09x = 57,814,175.55 × 19,108,649.43
  4. Step 4: Simplify right side
    38,538,464.09x = 1,104,750,812,669,427.38
  5. Step 5: Solve for x
    x = 1,104,750,812,669,427.38/38,538,464.09
  6. Step 6: Final answer
    x = 28,666,186.86

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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.