Home / 7,876,007.80-11,814,011.70-6,700,276.60

Finding the Fourth Proportional to 7,876,007.80, 11,814,011.70 and 6,700,276.60

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Solution

The fourth proportional to 7,876,007.80, 11,814,011.70 and 6,700,276.60 is: 10,050,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,007.80 : 11,814,011.70 = 6,700,276.60 : x
  2. Step 2: Convert to fraction form
    7,876,007.80/11,814,011.70 = 6,700,276.60/x
  3. Step 3: Cross multiply
    7,876,007.80x = 11,814,011.70 × 6,700,276.60
  4. Step 4: Simplify right side
    7,876,007.80x = 79,157,146,145,636.20
  5. Step 5: Solve for x
    x = 79,157,146,145,636.20/7,876,007.80
  6. Step 6: Final answer
    x = 10,050,414.90

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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.