Home / 30,386,121.10-41,926,143.72-17,990,059.30

Finding the Fourth Proportional to 30,386,121.10, 41,926,143.72 and 17,990,059.30

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Solution

The fourth proportional to 30,386,121.10, 41,926,143.72 and 17,990,059.30 is: 24,822,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386,121.10 : 41,926,143.72 = 17,990,059.30 : x
  2. Step 2: Convert to fraction form
    30,386,121.10/41,926,143.72 = 17,990,059.30/x
  3. Step 3: Cross multiply
    30,386,121.10x = 41,926,143.72 × 17,990,059.30
  4. Step 4: Simplify right side
    30,386,121.10x = 754,253,811,743,122.62
  5. Step 5: Solve for x
    x = 754,253,811,743,122.62/30,386,121.10
  6. Step 6: Final answer
    x = 24,822,313.10

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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.