Home / 31,913,559.36-47,870,338.68-7,979,031.36

Finding the Fourth Proportional to 31,913,559.36, 47,870,338.68 and 7,979,031.36

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Solution

The fourth proportional to 31,913,559.36, 47,870,338.68 and 7,979,031.36 is: 11,968,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,913,559.36 : 47,870,338.68 = 7,979,031.36 : x
  2. Step 2: Convert to fraction form
    31,913,559.36/47,870,338.68 = 7,979,031.36/x
  3. Step 3: Cross multiply
    31,913,559.36x = 47,870,338.68 × 7,979,031.36
  4. Step 4: Simplify right side
    31,913,559.36x = 381,958,933,541,541
  5. Step 5: Solve for x
    x = 381,958,933,541,541/31,913,559.36
  6. Step 6: Final answer
    x = 11,968,546.95

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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.