Home / 8,206,053.42-12,298,076.78-6,386,614.98

Finding the Fourth Proportional to 8,206,053.42, 12,298,076.78 and 6,386,614.98

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Solution

The fourth proportional to 8,206,053.42, 12,298,076.78 and 6,386,614.98 is: 9,571,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206,053.42 : 12,298,076.78 = 6,386,614.98 : x
  2. Step 2: Convert to fraction form
    8,206,053.42/12,298,076.78 = 6,386,614.98/x
  3. Step 3: Cross multiply
    8,206,053.42x = 12,298,076.78 × 6,386,614.98
  4. Step 4: Simplify right side
    8,206,053.42x = 78,543,081,356,405.09
  5. Step 5: Solve for x
    x = 78,543,081,356,405.09/8,206,053.42
  6. Step 6: Final answer
    x = 9,571,358.77

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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.