Home / 5,412,148.57-8,118,217.32-2,217,280.51

Finding the Fourth Proportional to 5,412,148.57, 8,118,217.32 and 2,217,280.51

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Solution

The fourth proportional to 5,412,148.57, 8,118,217.32 and 2,217,280.51 is: 3,325,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412,148.57 : 8,118,217.32 = 2,217,280.51 : x
  2. Step 2: Convert to fraction form
    5,412,148.57/8,118,217.32 = 2,217,280.51/x
  3. Step 3: Cross multiply
    5,412,148.57x = 8,118,217.32 × 2,217,280.51
  4. Step 4: Simplify right side
    5,412,148.57x = 18,000,365,039,580.43
  5. Step 5: Solve for x
    x = 18,000,365,039,580.43/5,412,148.57
  6. Step 6: Final answer
    x = 3,325,918.50

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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.