Home / 8,428,390.08-11,631,705.52-4,757,928.56

Finding the Fourth Proportional to 8,428,390.08, 11,631,705.52 and 4,757,928.56

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Solution

The fourth proportional to 8,428,390.08, 11,631,705.52 and 4,757,928.56 is: 6,566,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,390.08 : 11,631,705.52 = 4,757,928.56 : x
  2. Step 2: Convert to fraction form
    8,428,390.08/11,631,705.52 = 4,757,928.56/x
  3. Step 3: Cross multiply
    8,428,390.08x = 11,631,705.52 × 4,757,928.56
  4. Step 4: Simplify right side
    8,428,390.08x = 55,342,823,895,117.64
  5. Step 5: Solve for x
    x = 55,342,823,895,117.64/8,428,390.08
  6. Step 6: Final answer
    x = 6,566,239.03

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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.