Home / 20,415,087.30-30,622,630.95-18,183,035.10

Finding the Fourth Proportional to 20,415,087.30, 30,622,630.95 and 18,183,035.10

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Solution

The fourth proportional to 20,415,087.30, 30,622,630.95 and 18,183,035.10 is: 27,274,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415,087.30 : 30,622,630.95 = 18,183,035.10 : x
  2. Step 2: Convert to fraction form
    20,415,087.30/30,622,630.95 = 18,183,035.10/x
  3. Step 3: Cross multiply
    20,415,087.30x = 30,622,630.95 × 18,183,035.10
  4. Step 4: Simplify right side
    20,415,087.30x = 556,812,373,418,196.38
  5. Step 5: Solve for x
    x = 556,812,373,418,196.38/20,415,087.30
  6. Step 6: Final answer
    x = 27,274,552.65

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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.