Home / 18,453,635.40-27,680,453.10-13,068,366.60

Finding the Fourth Proportional to 18,453,635.40, 27,680,453.10 and 13,068,366.60

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Solution

The fourth proportional to 18,453,635.40, 27,680,453.10 and 13,068,366.60 is: 19,602,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,635.40 : 27,680,453.10 = 13,068,366.60 : x
  2. Step 2: Convert to fraction form
    18,453,635.40/27,680,453.10 = 13,068,366.60/x
  3. Step 3: Cross multiply
    18,453,635.40x = 27,680,453.10 × 13,068,366.60
  4. Step 4: Simplify right side
    18,453,635.40x = 361,738,308,764,906.50
  5. Step 5: Solve for x
    x = 361,738,308,764,906.50/18,453,635.40
  6. Step 6: Final answer
    x = 19,602,549.90

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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.