Home / 10,002,993.78-13,804,197.75-5,419,315.17

Finding the Fourth Proportional to 10,002,993.78, 13,804,197.75 and 5,419,315.17

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Solution

The fourth proportional to 10,002,993.78, 13,804,197.75 and 5,419,315.17 is: 7,478,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,993.78 : 13,804,197.75 = 5,419,315.17 : x
  2. Step 2: Convert to fraction form
    10,002,993.78/13,804,197.75 = 5,419,315.17/x
  3. Step 3: Cross multiply
    10,002,993.78x = 13,804,197.75 × 5,419,315.17
  4. Step 4: Simplify right side
    10,002,993.78x = 74,809,298,276,254.86
  5. Step 5: Solve for x
    x = 74,809,298,276,254.86/10,002,993.78
  6. Step 6: Final answer
    x = 7,478,690.87

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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.