Home / 20,594,552.79-28,412,392.18-11,769,269.42

Finding the Fourth Proportional to 20,594,552.79, 28,412,392.18 and 11,769,269.42

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Solution

The fourth proportional to 20,594,552.79, 28,412,392.18 and 11,769,269.42 is: 16,236,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594,552.79 : 28,412,392.18 = 11,769,269.42 : x
  2. Step 2: Convert to fraction form
    20,594,552.79/28,412,392.18 = 11,769,269.42/x
  3. Step 3: Cross multiply
    20,594,552.79x = 28,412,392.18 × 11,769,269.42
  4. Step 4: Simplify right side
    20,594,552.79x = 334,393,098,474,728.94
  5. Step 5: Solve for x
    x = 334,393,098,474,728.94/20,594,552.79
  6. Step 6: Final answer
    x = 16,236,968.19

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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.