Home / 8,543,641.89-12,816,241.52-2,784,897.39

Finding the Fourth Proportional to 8,543,641.89, 12,816,241.52 and 2,784,897.39

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Solution

The fourth proportional to 8,543,641.89, 12,816,241.52 and 2,784,897.39 is: 4,177,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543,641.89 : 12,816,241.52 = 2,784,897.39 : x
  2. Step 2: Convert to fraction form
    8,543,641.89/12,816,241.52 = 2,784,897.39/x
  3. Step 3: Cross multiply
    8,543,641.89x = 12,816,241.52 × 2,784,897.39
  4. Step 4: Simplify right side
    8,543,641.89x = 35,691,917,558,657.63
  5. Step 5: Solve for x
    x = 35,691,917,558,657.63/8,543,641.89
  6. Step 6: Final answer
    x = 4,177,599.91

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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.