Home / 9,756,731.76-13,463,836.25-5,346,431.21

Finding the Fourth Proportional to 9,756,731.76, 13,463,836.25 and 5,346,431.21

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Solution

The fourth proportional to 9,756,731.76, 13,463,836.25 and 5,346,431.21 is: 7,377,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756,731.76 : 13,463,836.25 = 5,346,431.21 : x
  2. Step 2: Convert to fraction form
    9,756,731.76/13,463,836.25 = 5,346,431.21/x
  3. Step 3: Cross multiply
    9,756,731.76x = 13,463,836.25 × 5,346,431.21
  4. Step 4: Simplify right side
    9,756,731.76x = 71,983,474,239,278.02
  5. Step 5: Solve for x
    x = 71,983,474,239,278.02/9,756,731.76
  6. Step 6: Final answer
    x = 7,377,826.51

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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.