Home / 14,345,442.79-19,795,812-7,906,914.79

Finding the Fourth Proportional to 14,345,442.79, 19,795,812 and 7,906,914.79

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Solution

The fourth proportional to 14,345,442.79, 19,795,812 and 7,906,914.79 is: 10,911,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345,442.79 : 19,795,812 = 7,906,914.79 : x
  2. Step 2: Convert to fraction form
    14,345,442.79/19,795,812 = 7,906,914.79/x
  3. Step 3: Cross multiply
    14,345,442.79x = 19,795,812 × 7,906,914.79
  4. Step 4: Simplify right side
    14,345,442.79x = 156,523,798,682,859.47
  5. Step 5: Solve for x
    x = 156,523,798,682,859.47/14,345,442.79
  6. Step 6: Final answer
    x = 10,911,046.87

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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.