Home / 7,876,012.60-11,816,643.30-7,029,400.60

Finding the Fourth Proportional to 7,876,012.60, 11,816,643.30 and 7,029,400.60

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Solution

The fourth proportional to 7,876,012.60, 11,816,643.30 and 7,029,400.60 is: 10,546,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,012.60 : 11,816,643.30 = 7,029,400.60 : x
  2. Step 2: Convert to fraction form
    7,876,012.60/11,816,643.30 = 7,029,400.60/x
  3. Step 3: Cross multiply
    7,876,012.60x = 11,816,643.30 × 7,029,400.60
  4. Step 4: Simplify right side
    7,876,012.60x = 83,063,919,503,005.98
  5. Step 5: Solve for x
    x = 83,063,919,503,005.98/7,876,012.60
  6. Step 6: Final answer
    x = 10,546,443.20

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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.