Home / 10,530,804.54-15,802,035.57-5,139,499.62

Finding the Fourth Proportional to 10,530,804.54, 15,802,035.57 and 5,139,499.62

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Solution

The fourth proportional to 10,530,804.54, 15,802,035.57 and 5,139,499.62 is: 7,712,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,804.54 : 15,802,035.57 = 5,139,499.62 : x
  2. Step 2: Convert to fraction form
    10,530,804.54/15,802,035.57 = 5,139,499.62/x
  3. Step 3: Cross multiply
    10,530,804.54x = 15,802,035.57 × 5,139,499.62
  4. Step 4: Simplify right side
    10,530,804.54x = 81,214,555,807,241.48
  5. Step 5: Solve for x
    x = 81,214,555,807,241.48/10,530,804.54
  6. Step 6: Final answer
    x = 7,712,094.12

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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.