Home / 7,876,013.60-11,816,644.80-7,029,401.60

Finding the Fourth Proportional to 7,876,013.60, 11,816,644.80 and 7,029,401.60

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Solution

The fourth proportional to 7,876,013.60, 11,816,644.80 and 7,029,401.60 is: 10,546,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,013.60 : 11,816,644.80 = 7,029,401.60 : x
  2. Step 2: Convert to fraction form
    7,876,013.60/11,816,644.80 = 7,029,401.60/x
  3. Step 3: Cross multiply
    7,876,013.60x = 11,816,644.80 × 7,029,401.60
  4. Step 4: Simplify right side
    7,876,013.60x = 83,063,941,863,751.69
  5. Step 5: Solve for x
    x = 83,063,941,863,751.69/7,876,013.60
  6. Step 6: Final answer
    x = 10,546,444.70

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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.