Home / 31,410,923.72-43,332,525.06-18,358,732.76

Finding the Fourth Proportional to 31,410,923.72, 43,332,525.06 and 18,358,732.76

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Solution

The fourth proportional to 31,410,923.72, 43,332,525.06 and 18,358,732.76 is: 25,326,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410,923.72 : 43,332,525.06 = 18,358,732.76 : x
  2. Step 2: Convert to fraction form
    31,410,923.72/43,332,525.06 = 18,358,732.76/x
  3. Step 3: Cross multiply
    31,410,923.72x = 43,332,525.06 × 18,358,732.76
  4. Step 4: Simplify right side
    31,410,923.72x = 795,530,247,392,543.12
  5. Step 5: Solve for x
    x = 795,530,247,392,543.12/31,410,923.72
  6. Step 6: Final answer
    x = 25,326,547.37

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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.