Home / 38,311,463.92-52,870,940.04-20,908,926.04

Finding the Fourth Proportional to 38,311,463.92, 52,870,940.04 and 20,908,926.04

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Solution

The fourth proportional to 38,311,463.92, 52,870,940.04 and 20,908,926.04 is: 28,854,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311,463.92 : 52,870,940.04 = 20,908,926.04 : x
  2. Step 2: Convert to fraction form
    38,311,463.92/52,870,940.04 = 20,908,926.04/x
  3. Step 3: Cross multiply
    38,311,463.92x = 52,870,940.04 × 20,908,926.04
  4. Step 4: Simplify right side
    38,311,463.92x = 1,105,474,574,961,634.62
  5. Step 5: Solve for x
    x = 1,105,474,574,961,634.62/38,311,463.92
  6. Step 6: Final answer
    x = 28,854,929.10

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Double scale
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1.5x scale

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.