Home / 13,840,203.88-20,760,871.40-4,748,553.28

Finding the Fourth Proportional to 13,840,203.88, 20,760,871.40 and 4,748,553.28

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Solution

The fourth proportional to 13,840,203.88, 20,760,871.40 and 4,748,553.28 is: 7,123,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840,203.88 : 20,760,871.40 = 4,748,553.28 : x
  2. Step 2: Convert to fraction form
    13,840,203.88/20,760,871.40 = 4,748,553.28/x
  3. Step 3: Cross multiply
    13,840,203.88x = 20,760,871.40 × 4,748,553.28
  4. Step 4: Simplify right side
    13,840,203.88x = 98,584,103,982,128.19
  5. Step 5: Solve for x
    x = 98,584,103,982,128.19/13,840,203.88
  6. Step 6: Final answer
    x = 7,123,023.97

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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.