Home / 38,083,604.90-52,555,208.54-20,679,808.82

Finding the Fourth Proportional to 38,083,604.90, 52,555,208.54 and 20,679,808.82

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Solution

The fourth proportional to 38,083,604.90, 52,555,208.54 and 20,679,808.82 is: 28,538,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,083,604.90 : 52,555,208.54 = 20,679,808.82 : x
  2. Step 2: Convert to fraction form
    38,083,604.90/52,555,208.54 = 20,679,808.82/x
  3. Step 3: Cross multiply
    38,083,604.90x = 52,555,208.54 × 20,679,808.82
  4. Step 4: Simplify right side
    38,083,604.90x = 1,086,831,665,102,431.38
  5. Step 5: Solve for x
    x = 1,086,831,665,102,431.38/38,083,604.90
  6. Step 6: Final answer
    x = 28,538,045.91

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1.5x scale

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.