Home / 19,710,540.54-29,560,678.65-8,345,138.94

Finding the Fourth Proportional to 19,710,540.54, 29,560,678.65 and 8,345,138.94

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Solution

The fourth proportional to 19,710,540.54, 29,560,678.65 and 8,345,138.94 is: 12,515,535.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710,540.54 : 29,560,678.65 = 8,345,138.94 : x
  2. Step 2: Convert to fraction form
    19,710,540.54/29,560,678.65 = 8,345,138.94/x
  3. Step 3: Cross multiply
    19,710,540.54x = 29,560,678.65 × 8,345,138.94
  4. Step 4: Simplify right side
    19,710,540.54x = 246,687,970,494,941.62
  5. Step 5: Solve for x
    x = 246,687,970,494,941.62/19,710,540.54
  6. Step 6: Final answer
    x = 12,515,535.53

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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.