Home / 13,605,917-20,401,346.75-5,400,246.53

Finding the Fourth Proportional to 13,605,917, 20,401,346.75 and 5,400,246.53

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Solution

The fourth proportional to 13,605,917, 20,401,346.75 and 5,400,246.53 is: 8,097,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,917 : 20,401,346.75 = 5,400,246.53 : x
  2. Step 2: Convert to fraction form
    13,605,917/20,401,346.75 = 5,400,246.53/x
  3. Step 3: Cross multiply
    13,605,917x = 20,401,346.75 × 5,400,246.53
  4. Step 4: Simplify right side
    13,605,917x = 110,172,301,994,014.28
  5. Step 5: Solve for x
    x = 110,172,301,994,014.28/13,605,917
  6. Step 6: Final answer
    x = 8,097,381.60

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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.