Home / 15,041,200.95-20,756,745.86-8,165,506.23

Finding the Fourth Proportional to 15,041,200.95, 20,756,745.86 and 8,165,506.23

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Solution

The fourth proportional to 15,041,200.95, 20,756,745.86 and 8,165,506.23 is: 11,268,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041,200.95 : 20,756,745.86 = 8,165,506.23 : x
  2. Step 2: Convert to fraction form
    15,041,200.95/20,756,745.86 = 8,165,506.23/x
  3. Step 3: Cross multiply
    15,041,200.95x = 20,756,745.86 × 8,165,506.23
  4. Step 4: Simplify right side
    15,041,200.95x = 169,489,337,593,529.19
  5. Step 5: Solve for x
    x = 169,489,337,593,529.19/15,041,200.95
  6. Step 6: Final answer
    x = 11,268,338.09

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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.