Home / 19,840,800.79-29,762,644.62-8,314,698.43

Finding the Fourth Proportional to 19,840,800.79, 29,762,644.62 and 8,314,698.43

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Solution

The fourth proportional to 19,840,800.79, 29,762,644.62 and 8,314,698.43 is: 12,472,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840,800.79 : 29,762,644.62 = 8,314,698.43 : x
  2. Step 2: Convert to fraction form
    19,840,800.79/29,762,644.62 = 8,314,698.43/x
  3. Step 3: Cross multiply
    19,840,800.79x = 29,762,644.62 × 8,314,698.43
  4. Step 4: Simplify right side
    19,840,800.79x = 247,467,414,494,561.94
  5. Step 5: Solve for x
    x = 247,467,414,494,561.94/19,840,800.79
  6. Step 6: Final answer
    x = 12,472,652.55

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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.