Home / 18,362,906.40-27,554,857.20-7,011,501.60

Finding the Fourth Proportional to 18,362,906.40, 27,554,857.20 and 7,011,501.60

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Solution

The fourth proportional to 18,362,906.40, 27,554,857.20 and 7,011,501.60 is: 10,521,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362,906.40 : 27,554,857.20 = 7,011,501.60 : x
  2. Step 2: Convert to fraction form
    18,362,906.40/27,554,857.20 = 7,011,501.60/x
  3. Step 3: Cross multiply
    18,362,906.40x = 27,554,857.20 × 7,011,501.60
  4. Step 4: Simplify right side
    18,362,906.40x = 193,200,925,345,571.50
  5. Step 5: Solve for x
    x = 193,200,925,345,571.50/18,362,906.40
  6. Step 6: Final answer
    x = 10,521,260.69

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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.