Home / 28,145,912.07-42,246,101.85-13,583,083.17

Finding the Fourth Proportional to 28,145,912.07, 42,246,101.85 and 13,583,083.17

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Solution

The fourth proportional to 28,145,912.07, 42,246,101.85 and 13,583,083.17 is: 20,387,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145,912.07 : 42,246,101.85 = 13,583,083.17 : x
  2. Step 2: Convert to fraction form
    28,145,912.07/42,246,101.85 = 13,583,083.17/x
  3. Step 3: Cross multiply
    28,145,912.07x = 42,246,101.85 × 13,583,083.17
  4. Step 4: Simplify right side
    28,145,912.07x = 573,832,315,036,840.88
  5. Step 5: Solve for x
    x = 573,832,315,036,840.88/28,145,912.07
  6. Step 6: Final answer
    x = 20,387,767.63

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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.