Home / 30,191,359.92-45,245,141.54-13,756,479.68

Finding the Fourth Proportional to 30,191,359.92, 45,245,141.54 and 13,756,479.68

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Solution

The fourth proportional to 30,191,359.92, 45,245,141.54 and 13,756,479.68 is: 20,615,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191,359.92 : 45,245,141.54 = 13,756,479.68 : x
  2. Step 2: Convert to fraction form
    30,191,359.92/45,245,141.54 = 13,756,479.68/x
  3. Step 3: Cross multiply
    30,191,359.92x = 45,245,141.54 × 13,756,479.68
  4. Step 4: Simplify right side
    30,191,359.92x = 622,413,870,213,733.88
  5. Step 5: Solve for x
    x = 622,413,870,213,733.88/30,191,359.92
  6. Step 6: Final answer
    x = 20,615,628.84

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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.