Home / 18,570,316.92-27,856,755.36-7,776,750.18

Finding the Fourth Proportional to 18,570,316.92, 27,856,755.36 and 7,776,750.18

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Solution

The fourth proportional to 18,570,316.92, 27,856,755.36 and 7,776,750.18 is: 11,665,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570,316.92 : 27,856,755.36 = 7,776,750.18 : x
  2. Step 2: Convert to fraction form
    18,570,316.92/27,856,755.36 = 7,776,750.18/x
  3. Step 3: Cross multiply
    18,570,316.92x = 27,856,755.36 × 7,776,750.18
  4. Step 4: Simplify right side
    18,570,316.92x = 216,635,027,260,095.94
  5. Step 5: Solve for x
    x = 216,635,027,260,095.94/18,570,316.92
  6. Step 6: Final answer
    x = 11,665,661.29

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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.