Home / 18,462,657.60-27,699,105.60-7,685,035.20

Finding the Fourth Proportional to 18,462,657.60, 27,699,105.60 and 7,685,035.20

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Solution

The fourth proportional to 18,462,657.60, 27,699,105.60 and 7,685,035.20 is: 11,529,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462,657.60 : 27,699,105.60 = 7,685,035.20 : x
  2. Step 2: Convert to fraction form
    18,462,657.60/27,699,105.60 = 7,685,035.20/x
  3. Step 3: Cross multiply
    18,462,657.60x = 27,699,105.60 × 7,685,035.20
  4. Step 4: Simplify right side
    18,462,657.60x = 212,868,601,544,517.12
  5. Step 5: Solve for x
    x = 212,868,601,544,517.12/18,462,657.60
  6. Step 6: Final answer
    x = 11,529,683.65

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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.