Home / 10,992,365.70-16,488,548.55-8,122,584.30

Finding the Fourth Proportional to 10,992,365.70, 16,488,548.55 and 8,122,584.30

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Solution

The fourth proportional to 10,992,365.70, 16,488,548.55 and 8,122,584.30 is: 12,183,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,365.70 : 16,488,548.55 = 8,122,584.30 : x
  2. Step 2: Convert to fraction form
    10,992,365.70/16,488,548.55 = 8,122,584.30/x
  3. Step 3: Cross multiply
    10,992,365.70x = 16,488,548.55 × 8,122,584.30
  4. Step 4: Simplify right side
    10,992,365.70x = 133,929,625,582,017.77
  5. Step 5: Solve for x
    x = 133,929,625,582,017.77/10,992,365.70
  6. Step 6: Final answer
    x = 12,183,876.45

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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.