Home / 9,109,845.47-12,571,584.90-4,979,893.83

Finding the Fourth Proportional to 9,109,845.47, 12,571,584.90 and 4,979,893.83

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Solution

The fourth proportional to 9,109,845.47, 12,571,584.90 and 4,979,893.83 is: 6,872,252.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109,845.47 : 12,571,584.90 = 4,979,893.83 : x
  2. Step 2: Convert to fraction form
    9,109,845.47/12,571,584.90 = 4,979,893.83/x
  3. Step 3: Cross multiply
    9,109,845.47x = 12,571,584.90 × 4,979,893.83
  4. Step 4: Simplify right side
    9,109,845.47x = 62,605,158,016,346.36
  5. Step 5: Solve for x
    x = 62,605,158,016,346.36/9,109,845.47
  6. Step 6: Final answer
    x = 6,872,252.47

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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.