Home / 9,239,928.12-12,751,185.42-5,109,745.86

Finding the Fourth Proportional to 9,239,928.12, 12,751,185.42 and 5,109,745.86

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Solution

The fourth proportional to 9,239,928.12, 12,751,185.42 and 5,109,745.86 is: 7,051,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239,928.12 : 12,751,185.42 = 5,109,745.86 : x
  2. Step 2: Convert to fraction form
    9,239,928.12/12,751,185.42 = 5,109,745.86/x
  3. Step 3: Cross multiply
    9,239,928.12x = 12,751,185.42 × 5,109,745.86
  4. Step 4: Simplify right side
    9,239,928.12x = 65,155,316,909,937.37
  5. Step 5: Solve for x
    x = 65,155,316,909,937.37/9,239,928.12
  6. Step 6: Final answer
    x = 7,051,496.08

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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.