Home / 9,749,500.78-13,468,325.12-7,786,801.88

Finding the Fourth Proportional to 9,749,500.78, 13,468,325.12 and 7,786,801.88

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Solution

The fourth proportional to 9,749,500.78, 13,468,325.12 and 7,786,801.88 is: 10,756,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749,500.78 : 13,468,325.12 = 7,786,801.88 : x
  2. Step 2: Convert to fraction form
    9,749,500.78/13,468,325.12 = 7,786,801.88/x
  3. Step 3: Cross multiply
    9,749,500.78x = 13,468,325.12 × 7,786,801.88
  4. Step 4: Simplify right side
    9,749,500.78x = 104,875,179,376,177.98
  5. Step 5: Solve for x
    x = 104,875,179,376,177.98/9,749,500.78
  6. Step 6: Final answer
    x = 10,756,979.43

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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.