Home / 10,327,328.69-15,493,221.95-3,139,441.74

Finding the Fourth Proportional to 10,327,328.69, 15,493,221.95 and 3,139,441.74

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Solution

The fourth proportional to 10,327,328.69, 15,493,221.95 and 3,139,441.74 is: 4,709,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327,328.69 : 15,493,221.95 = 3,139,441.74 : x
  2. Step 2: Convert to fraction form
    10,327,328.69/15,493,221.95 = 3,139,441.74/x
  3. Step 3: Cross multiply
    10,327,328.69x = 15,493,221.95 × 3,139,441.74
  4. Step 4: Simplify right side
    10,327,328.69x = 48,640,067,661,216.99
  5. Step 5: Solve for x
    x = 48,640,067,661,216.99/10,327,328.69
  6. Step 6: Final answer
    x = 4,709,840.19

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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.