Home / 12,591,840.30-18,895,536.45-5,018,016.30

Finding the Fourth Proportional to 12,591,840.30, 18,895,536.45 and 5,018,016.30

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Solution

The fourth proportional to 12,591,840.30, 18,895,536.45 and 5,018,016.30 is: 7,530,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,840.30 : 18,895,536.45 = 5,018,016.30 : x
  2. Step 2: Convert to fraction form
    12,591,840.30/18,895,536.45 = 5,018,016.30/x
  3. Step 3: Cross multiply
    12,591,840.30x = 18,895,536.45 × 5,018,016.30
  4. Step 4: Simplify right side
    12,591,840.30x = 94,818,109,903,344.12
  5. Step 5: Solve for x
    x = 94,818,109,903,344.12/12,591,840.30
  6. Step 6: Final answer
    x = 7,530,123.29

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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.