Home / 12,179,592.52-18,269,685.32-4,092,685.36

Finding the Fourth Proportional to 12,179,592.52, 18,269,685.32 and 4,092,685.36

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Solution

The fourth proportional to 12,179,592.52, 18,269,685.32 and 4,092,685.36 is: 6,139,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,592.52 : 18,269,685.32 = 4,092,685.36 : x
  2. Step 2: Convert to fraction form
    12,179,592.52/18,269,685.32 = 4,092,685.36/x
  3. Step 3: Cross multiply
    12,179,592.52x = 18,269,685.32 × 4,092,685.36
  4. Step 4: Simplify right side
    12,179,592.52x = 74,772,073,640,970.91
  5. Step 5: Solve for x
    x = 74,772,073,640,970.91/12,179,592.52
  6. Step 6: Final answer
    x = 6,139,127.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.