Home / 38,311,468.92-52,870,946.94-20,908,931.04

Finding the Fourth Proportional to 38,311,468.92, 52,870,946.94 and 20,908,931.04

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Solution

The fourth proportional to 38,311,468.92, 52,870,946.94 and 20,908,931.04 is: 28,854,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311,468.92 : 52,870,946.94 = 20,908,931.04 : x
  2. Step 2: Convert to fraction form
    38,311,468.92/52,870,946.94 = 20,908,931.04/x
  3. Step 3: Cross multiply
    38,311,468.92x = 52,870,946.94 × 20,908,931.04
  4. Step 4: Simplify right side
    38,311,468.92x = 1,105,474,983,587,958.88
  5. Step 5: Solve for x
    x = 1,105,474,983,587,958.88/38,311,468.92
  6. Step 6: Final answer
    x = 28,854,936.00

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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.