Home / 20,643,198.30-30,963,813.30-6,995,006.10

Finding the Fourth Proportional to 20,643,198.30, 30,963,813.30 and 6,995,006.10

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Solution

The fourth proportional to 20,643,198.30, 30,963,813.30 and 6,995,006.10 is: 10,492,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,643,198.30 : 30,963,813.30 = 6,995,006.10 : x
  2. Step 2: Convert to fraction form
    20,643,198.30/30,963,813.30 = 6,995,006.10/x
  3. Step 3: Cross multiply
    20,643,198.30x = 30,963,813.30 × 6,995,006.10
  4. Step 4: Simplify right side
    20,643,198.30x = 216,592,062,912,761.12
  5. Step 5: Solve for x
    x = 216,592,062,912,761.12/20,643,198.30
  6. Step 6: Final answer
    x = 10,492,175.67

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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.