Home / 14,420,216.20-19,899,953.22-7,894,452.82

Finding the Fourth Proportional to 14,420,216.20, 19,899,953.22 and 7,894,452.82

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Solution

The fourth proportional to 14,420,216.20, 19,899,953.22 and 7,894,452.82 is: 10,894,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420,216.20 : 19,899,953.22 = 7,894,452.82 : x
  2. Step 2: Convert to fraction form
    14,420,216.20/19,899,953.22 = 7,894,452.82/x
  3. Step 3: Cross multiply
    14,420,216.20x = 19,899,953.22 × 7,894,452.82
  4. Step 4: Simplify right side
    14,420,216.20x = 157,099,241,815,497.06
  5. Step 5: Solve for x
    x = 157,099,241,815,497.06/14,420,216.20
  6. Step 6: Final answer
    x = 10,894,374.93

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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.