Home / 10,015,317.09-13,821,879.56-5,605,483.77

Finding the Fourth Proportional to 10,015,317.09, 13,821,879.56 and 5,605,483.77

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Solution

The fourth proportional to 10,015,317.09, 13,821,879.56 and 5,605,483.77 is: 7,735,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015,317.09 : 13,821,879.56 = 5,605,483.77 : x
  2. Step 2: Convert to fraction form
    10,015,317.09/13,821,879.56 = 5,605,483.77/x
  3. Step 3: Cross multiply
    10,015,317.09x = 13,821,879.56 × 5,605,483.77
  4. Step 4: Simplify right side
    10,015,317.09x = 77,478,321,516,447.31
  5. Step 5: Solve for x
    x = 77,478,321,516,447.31/10,015,317.09
  6. Step 6: Final answer
    x = 7,735,982.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.