Home / 11,420,956.53-15,764,448.69-7,346,575.53

Finding the Fourth Proportional to 11,420,956.53, 15,764,448.69 and 7,346,575.53

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Solution

The fourth proportional to 11,420,956.53, 15,764,448.69 and 7,346,575.53 is: 10,140,544.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420,956.53 : 15,764,448.69 = 7,346,575.53 : x
  2. Step 2: Convert to fraction form
    11,420,956.53/15,764,448.69 = 7,346,575.53/x
  3. Step 3: Cross multiply
    11,420,956.53x = 15,764,448.69 × 7,346,575.53
  4. Step 4: Simplify right side
    11,420,956.53x = 115,814,712,989,894.56
  5. Step 5: Solve for x
    x = 115,814,712,989,894.56/11,420,956.53
  6. Step 6: Final answer
    x = 10,140,544.07

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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.