Home / 12,771,012.70-19,156,519.05-6,703,399.90

Finding the Fourth Proportional to 12,771,012.70, 19,156,519.05 and 6,703,399.90

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Solution

The fourth proportional to 12,771,012.70, 19,156,519.05 and 6,703,399.90 is: 10,055,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,012.70 : 19,156,519.05 = 6,703,399.90 : x
  2. Step 2: Convert to fraction form
    12,771,012.70/19,156,519.05 = 6,703,399.90/x
  3. Step 3: Cross multiply
    12,771,012.70x = 19,156,519.05 × 6,703,399.90
  4. Step 4: Simplify right side
    12,771,012.70x = 128,413,807,884,118.11
  5. Step 5: Solve for x
    x = 128,413,807,884,118.11/12,771,012.70
  6. Step 6: Final answer
    x = 10,055,099.85

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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.