Home / 38,311,460.92-52,870,935.90-20,908,923.04

Finding the Fourth Proportional to 38,311,460.92, 52,870,935.90 and 20,908,923.04

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Solution

The fourth proportional to 38,311,460.92, 52,870,935.90 and 20,908,923.04 is: 28,854,924.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311,460.92 : 52,870,935.90 = 20,908,923.04 : x
  2. Step 2: Convert to fraction form
    38,311,460.92/52,870,935.90 = 20,908,923.04/x
  3. Step 3: Cross multiply
    38,311,460.92x = 52,870,935.90 × 20,908,923.04
  4. Step 4: Simplify right side
    38,311,460.92x = 1,105,474,329,785,873
  5. Step 5: Solve for x
    x = 1,105,474,329,785,873/38,311,460.92
  6. Step 6: Final answer
    x = 28,854,924.96

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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.