Home / 18,209,185.51-27,310,234.86-5,254,425.40

Finding the Fourth Proportional to 18,209,185.51, 27,310,234.86 and 5,254,425.40

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Solution

The fourth proportional to 18,209,185.51, 27,310,234.86 and 5,254,425.40 is: 7,880,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209,185.51 : 27,310,234.86 = 5,254,425.40 : x
  2. Step 2: Convert to fraction form
    18,209,185.51/27,310,234.86 = 5,254,425.40/x
  3. Step 3: Cross multiply
    18,209,185.51x = 27,310,234.86 × 5,254,425.40
  4. Step 4: Simplify right side
    18,209,185.51x = 143,499,591,728,349.44
  5. Step 5: Solve for x
    x = 143,499,591,728,349.44/18,209,185.51
  6. Step 6: Final answer
    x = 7,880,615.62

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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.