Home / 8,681,899.70-13,015,501.14-3,287,576.72

Finding the Fourth Proportional to 8,681,899.70, 13,015,501.14 and 3,287,576.72

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Solution

The fourth proportional to 8,681,899.70, 13,015,501.14 and 3,287,576.72 is: 4,928,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,899.70 : 13,015,501.14 = 3,287,576.72 : x
  2. Step 2: Convert to fraction form
    8,681,899.70/13,015,501.14 = 3,287,576.72/x
  3. Step 3: Cross multiply
    8,681,899.70x = 13,015,501.14 × 3,287,576.72
  4. Step 4: Simplify right side
    8,681,899.70x = 42,789,458,546,997.47
  5. Step 5: Solve for x
    x = 42,789,458,546,997.47/8,681,899.70
  6. Step 6: Final answer
    x = 4,928,582.46

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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.