Home / 10,132,156.80-13,982,383.44-5,548,479.12

Finding the Fourth Proportional to 10,132,156.80, 13,982,383.44 and 5,548,479.12

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Solution

The fourth proportional to 10,132,156.80, 13,982,383.44 and 5,548,479.12 is: 7,656,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132,156.80 : 13,982,383.44 = 5,548,479.12 : x
  2. Step 2: Convert to fraction form
    10,132,156.80/13,982,383.44 = 5,548,479.12/x
  3. Step 3: Cross multiply
    10,132,156.80x = 13,982,383.44 × 5,548,479.12
  4. Step 4: Simplify right side
    10,132,156.80x = 77,580,962,564,673.77
  5. Step 5: Solve for x
    x = 77,580,962,564,673.77/10,132,156.80
  6. Step 6: Final answer
    x = 7,656,905.05

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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.