Home / 10,355,078.76-15,534,860.28-3,965,331.39

Finding the Fourth Proportional to 10,355,078.76, 15,534,860.28 and 3,965,331.39

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Solution

The fourth proportional to 10,355,078.76, 15,534,860.28 and 3,965,331.39 is: 5,948,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,078.76 : 15,534,860.28 = 3,965,331.39 : x
  2. Step 2: Convert to fraction form
    10,355,078.76/15,534,860.28 = 3,965,331.39/x
  3. Step 3: Cross multiply
    10,355,078.76x = 15,534,860.28 × 3,965,331.39
  4. Step 4: Simplify right side
    10,355,078.76x = 61,600,869,107,548.19
  5. Step 5: Solve for x
    x = 61,600,869,107,548.19/10,355,078.76
  6. Step 6: Final answer
    x = 5,948,855.68

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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.