Home / 10,380,784.11-15,562,309.10-7,338,579.63

Finding the Fourth Proportional to 10,380,784.11, 15,562,309.10 and 7,338,579.63

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Solution

The fourth proportional to 10,380,784.11, 15,562,309.10 and 7,338,579.63 is: 11,001,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380,784.11 : 15,562,309.10 = 7,338,579.63 : x
  2. Step 2: Convert to fraction form
    10,380,784.11/15,562,309.10 = 7,338,579.63/x
  3. Step 3: Cross multiply
    10,380,784.11x = 15,562,309.10 × 7,338,579.63
  4. Step 4: Simplify right side
    10,380,784.11x = 114,205,244,520,330.73
  5. Step 5: Solve for x
    x = 114,205,244,520,330.73/10,380,784.11
  6. Step 6: Final answer
    x = 11,001,600.97

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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.