Home / 20,653,175.30-30,982,715.40-7,006,951.40

Finding the Fourth Proportional to 20,653,175.30, 30,982,715.40 and 7,006,951.40

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Solution

The fourth proportional to 20,653,175.30, 30,982,715.40 and 7,006,951.40 is: 10,511,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653,175.30 : 30,982,715.40 = 7,006,951.40 : x
  2. Step 2: Convert to fraction form
    20,653,175.30/30,982,715.40 = 7,006,951.40/x
  3. Step 3: Cross multiply
    20,653,175.30x = 30,982,715.40 × 7,006,951.40
  4. Step 4: Simplify right side
    20,653,175.30x = 217,094,381,047,831.56
  5. Step 5: Solve for x
    x = 217,094,381,047,831.56/20,653,175.30
  6. Step 6: Final answer
    x = 10,511,428.77

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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.