Home / 8,308,979.55-11,468,304.99-4,872,327.75

Finding the Fourth Proportional to 8,308,979.55, 11,468,304.99 and 4,872,327.75

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Solution

The fourth proportional to 8,308,979.55, 11,468,304.99 and 4,872,327.75 is: 6,724,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,979.55 : 11,468,304.99 = 4,872,327.75 : x
  2. Step 2: Convert to fraction form
    8,308,979.55/11,468,304.99 = 4,872,327.75/x
  3. Step 3: Cross multiply
    8,308,979.55x = 11,468,304.99 × 4,872,327.75
  4. Step 4: Simplify right side
    8,308,979.55x = 55,877,340,648,240.48
  5. Step 5: Solve for x
    x = 55,877,340,648,240.48/8,308,979.55
  6. Step 6: Final answer
    x = 6,724,934.19

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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.