Home / 12,815,905.05-17,685,887.49-6,935,535.90

Finding the Fourth Proportional to 12,815,905.05, 17,685,887.49 and 6,935,535.90

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Solution

The fourth proportional to 12,815,905.05, 17,685,887.49 and 6,935,535.90 is: 9,571,006.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,905.05 : 17,685,887.49 = 6,935,535.90 : x
  2. Step 2: Convert to fraction form
    12,815,905.05/17,685,887.49 = 6,935,535.90/x
  3. Step 3: Cross multiply
    12,815,905.05x = 17,685,887.49 × 6,935,535.90
  4. Step 4: Simplify right side
    12,815,905.05x = 122,661,107,610,255.89
  5. Step 5: Solve for x
    x = 122,661,107,610,255.89/12,815,905.05
  6. Step 6: Final answer
    x = 9,571,006.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.