Home / 9,115,389.30-12,579,206.13-5,040,920.82

Finding the Fourth Proportional to 9,115,389.30, 12,579,206.13 and 5,040,920.82

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Solution

The fourth proportional to 9,115,389.30, 12,579,206.13 and 5,040,920.82 is: 6,956,453.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115,389.30 : 12,579,206.13 = 5,040,920.82 : x
  2. Step 2: Convert to fraction form
    9,115,389.30/12,579,206.13 = 5,040,920.82/x
  3. Step 3: Cross multiply
    9,115,389.30x = 12,579,206.13 × 5,040,920.82
  4. Step 4: Simplify right side
    9,115,389.30x = 63,410,782,079,788.63
  5. Step 5: Solve for x
    x = 63,410,782,079,788.63/9,115,389.30
  6. Step 6: Final answer
    x = 6,956,453.53

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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.