Home / 7,876,015.60-11,816,647.80-7,029,403.60

Finding the Fourth Proportional to 7,876,015.60, 11,816,647.80 and 7,029,403.60

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Solution

The fourth proportional to 7,876,015.60, 11,816,647.80 and 7,029,403.60 is: 10,546,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,015.60 : 11,816,647.80 = 7,029,403.60 : x
  2. Step 2: Convert to fraction form
    7,876,015.60/11,816,647.80 = 7,029,403.60/x
  3. Step 3: Cross multiply
    7,876,015.60x = 11,816,647.80 × 7,029,403.60
  4. Step 4: Simplify right side
    7,876,015.60x = 83,063,986,585,252.08
  5. Step 5: Solve for x
    x = 83,063,986,585,252.08/7,876,015.60
  6. Step 6: Final answer
    x = 10,546,447.70

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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.