Home / 14,122,790.34-19,491,505.22-7,930,398.25

Finding the Fourth Proportional to 14,122,790.34, 19,491,505.22 and 7,930,398.25

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Solution

The fourth proportional to 14,122,790.34, 19,491,505.22 and 7,930,398.25 is: 10,945,103.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122,790.34 : 19,491,505.22 = 7,930,398.25 : x
  2. Step 2: Convert to fraction form
    14,122,790.34/19,491,505.22 = 7,930,398.25/x
  3. Step 3: Cross multiply
    14,122,790.34x = 19,491,505.22 × 7,930,398.25
  4. Step 4: Simplify right side
    14,122,790.34x = 154,575,398,886,135.75
  5. Step 5: Solve for x
    x = 154,575,398,886,135.75/14,122,790.34
  6. Step 6: Final answer
    x = 10,945,103.28

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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.