Home / 10,867,220.40-16,300,830.60-5,198,516.40

Finding the Fourth Proportional to 10,867,220.40, 16,300,830.60 and 5,198,516.40

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Solution

The fourth proportional to 10,867,220.40, 16,300,830.60 and 5,198,516.40 is: 7,797,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,220.40 : 16,300,830.60 = 5,198,516.40 : x
  2. Step 2: Convert to fraction form
    10,867,220.40/16,300,830.60 = 5,198,516.40/x
  3. Step 3: Cross multiply
    10,867,220.40x = 16,300,830.60 × 5,198,516.40
  4. Step 4: Simplify right side
    10,867,220.40x = 84,740,135,207,721.84
  5. Step 5: Solve for x
    x = 84,740,135,207,721.84/10,867,220.40
  6. Step 6: Final answer
    x = 7,797,774.60

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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.