Home / 20,602,077.27-30,902,801.49-6,964,803.42

Finding the Fourth Proportional to 20,602,077.27, 30,902,801.49 and 6,964,803.42

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Solution

The fourth proportional to 20,602,077.27, 30,902,801.49 and 6,964,803.42 is: 10,447,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602,077.27 : 30,902,801.49 = 6,964,803.42 : x
  2. Step 2: Convert to fraction form
    20,602,077.27/30,902,801.49 = 6,964,803.42/x
  3. Step 3: Cross multiply
    20,602,077.27x = 30,902,801.49 × 6,964,803.42
  4. Step 4: Simplify right side
    20,602,077.27x = 215,231,937,505,133.09
  5. Step 5: Solve for x
    x = 215,231,937,505,133.09/20,602,077.27
  6. Step 6: Final answer
    x = 10,447,098.84

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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.