Home / 12,813,649.28-19,222,165.12-4,732,304.96

Finding the Fourth Proportional to 12,813,649.28, 19,222,165.12 and 4,732,304.96

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Solution

The fourth proportional to 12,813,649.28, 19,222,165.12 and 4,732,304.96 is: 7,099,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813,649.28 : 19,222,165.12 = 4,732,304.96 : x
  2. Step 2: Convert to fraction form
    12,813,649.28/19,222,165.12 = 4,732,304.96/x
  3. Step 3: Cross multiply
    12,813,649.28x = 19,222,165.12 × 4,732,304.96
  4. Step 4: Simplify right side
    12,813,649.28x = 90,965,147,339,315
  5. Step 5: Solve for x
    x = 90,965,147,339,315/12,813,649.28
  6. Step 6: Final answer
    x = 7,099,082.03

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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.