Home / 13,160,214.06-18,161,154.63-7,358,997.90

Finding the Fourth Proportional to 13,160,214.06, 18,161,154.63 and 7,358,997.90

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Solution

The fourth proportional to 13,160,214.06, 18,161,154.63 and 7,358,997.90 is: 10,155,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160,214.06 : 18,161,154.63 = 7,358,997.90 : x
  2. Step 2: Convert to fraction form
    13,160,214.06/18,161,154.63 = 7,358,997.90/x
  3. Step 3: Cross multiply
    13,160,214.06x = 18,161,154.63 × 7,358,997.90
  4. Step 4: Simplify right side
    13,160,214.06x = 133,647,898,783,745.28
  5. Step 5: Solve for x
    x = 133,647,898,783,745.28/13,160,214.06
  6. Step 6: Final answer
    x = 10,155,450.22

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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.