Home / 28,187,906.40-42,344,845.20-27,432,079.20

Finding the Fourth Proportional to 28,187,906.40, 42,344,845.20 and 27,432,079.20

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Solution

The fourth proportional to 28,187,906.40, 42,344,845.20 and 27,432,079.20 is: 41,209,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187,906.40 : 42,344,845.20 = 27,432,079.20 : x
  2. Step 2: Convert to fraction form
    28,187,906.40/42,344,845.20 = 27,432,079.20/x
  3. Step 3: Cross multiply
    28,187,906.40x = 42,344,845.20 × 27,432,079.20
  4. Step 4: Simplify right side
    28,187,906.40x = 1,161,607,147,238,140
  5. Step 5: Solve for x
    x = 1,161,607,147,238,140/28,187,906.40
  6. Step 6: Final answer
    x = 41,209,415.51

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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.