Home / 7,729,849.32-11,542,720.53-6,312,716.52

Finding the Fourth Proportional to 7,729,849.32, 11,542,720.53 and 6,312,716.52

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Solution

The fourth proportional to 7,729,849.32, 11,542,720.53 and 6,312,716.52 is: 9,426,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729,849.32 : 11,542,720.53 = 6,312,716.52 : x
  2. Step 2: Convert to fraction form
    7,729,849.32/11,542,720.53 = 6,312,716.52/x
  3. Step 3: Cross multiply
    7,729,849.32x = 11,542,720.53 × 6,312,716.52
  4. Step 4: Simplify right side
    7,729,849.32x = 72,865,922,575,474.14
  5. Step 5: Solve for x
    x = 72,865,922,575,474.14/7,729,849.32
  6. Step 6: Final answer
    x = 9,426,564.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.