Home / 10,778,761.40-16,179,951.90-6,739,809.80

Finding the Fourth Proportional to 10,778,761.40, 16,179,951.90 and 6,739,809.80

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Solution

The fourth proportional to 10,778,761.40, 16,179,951.90 and 6,739,809.80 is: 10,117,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,761.40 : 16,179,951.90 = 6,739,809.80 : x
  2. Step 2: Convert to fraction form
    10,778,761.40/16,179,951.90 = 6,739,809.80/x
  3. Step 3: Cross multiply
    10,778,761.40x = 16,179,951.90 × 6,739,809.80
  4. Step 4: Simplify right side
    10,778,761.40x = 109,049,798,379,148.62
  5. Step 5: Solve for x
    x = 109,049,798,379,148.62/10,778,761.40
  6. Step 6: Final answer
    x = 10,117,099.20

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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.