Home / 8,780,999.22-13,171,424.87-6,863,523.28

Finding the Fourth Proportional to 8,780,999.22, 13,171,424.87 and 6,863,523.28

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Solution

The fourth proportional to 8,780,999.22, 13,171,424.87 and 6,863,523.28 is: 10,295,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,999.22 : 13,171,424.87 = 6,863,523.28 : x
  2. Step 2: Convert to fraction form
    8,780,999.22/13,171,424.87 = 6,863,523.28/x
  3. Step 3: Cross multiply
    8,780,999.22x = 13,171,424.87 × 6,863,523.28
  4. Step 4: Simplify right side
    8,780,999.22x = 90,402,381,210,246.22
  5. Step 5: Solve for x
    x = 90,402,381,210,246.22/8,780,999.22
  6. Step 6: Final answer
    x = 10,295,227.11

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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.