Home / 8,206,059.67-12,298,085.94-6,386,621.47

Finding the Fourth Proportional to 8,206,059.67, 12,298,085.94 and 6,386,621.47

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Solution

The fourth proportional to 8,206,059.67, 12,298,085.94 and 6,386,621.47 is: 9,571,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206,059.67 : 12,298,085.94 = 6,386,621.47 : x
  2. Step 2: Convert to fraction form
    8,206,059.67/12,298,085.94 = 6,386,621.47/x
  3. Step 3: Cross multiply
    8,206,059.67x = 12,298,085.94 × 6,386,621.47
  4. Step 4: Simplify right side
    8,206,059.67x = 78,543,219,715,384.77
  5. Step 5: Solve for x
    x = 78,543,219,715,384.77/8,206,059.67
  6. Step 6: Final answer
    x = 9,571,368.34

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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.