Home / 8,309,072.14-11,468,432.78-4,872,420.34

Finding the Fourth Proportional to 8,309,072.14, 11,468,432.78 and 4,872,420.34

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Solution

The fourth proportional to 8,309,072.14, 11,468,432.78 and 4,872,420.34 is: 6,725,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,072.14 : 11,468,432.78 = 4,872,420.34 : x
  2. Step 2: Convert to fraction form
    8,309,072.14/11,468,432.78 = 4,872,420.34/x
  3. Step 3: Cross multiply
    8,309,072.14x = 11,468,432.78 × 4,872,420.34
  4. Step 4: Simplify right side
    8,309,072.14x = 55,879,025,110,433.15
  5. Step 5: Solve for x
    x = 55,879,025,110,433.15/8,309,072.14
  6. Step 6: Final answer
    x = 6,725,061.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.