Home / 11,104,403.80-16,656,605.70-5,428,269.40

Finding the Fourth Proportional to 11,104,403.80, 16,656,605.70 and 5,428,269.40

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Solution

The fourth proportional to 11,104,403.80, 16,656,605.70 and 5,428,269.40 is: 8,142,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104,403.80 : 16,656,605.70 = 5,428,269.40 : x
  2. Step 2: Convert to fraction form
    11,104,403.80/16,656,605.70 = 5,428,269.40/x
  3. Step 3: Cross multiply
    11,104,403.80x = 16,656,605.70 × 5,428,269.40
  4. Step 4: Simplify right side
    11,104,403.80x = 90,416,543,029,175.58
  5. Step 5: Solve for x
    x = 90,416,543,029,175.58/11,104,403.80
  6. Step 6: Final answer
    x = 8,142,404.10

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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.