Home / 9,288,813.38-12,818,720.94-5,102,674.76

Finding the Fourth Proportional to 9,288,813.38, 12,818,720.94 and 5,102,674.76

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Solution

The fourth proportional to 9,288,813.38, 12,818,720.94 and 5,102,674.76 is: 7,041,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,813.38 : 12,818,720.94 = 5,102,674.76 : x
  2. Step 2: Convert to fraction form
    9,288,813.38/12,818,720.94 = 5,102,674.76/x
  3. Step 3: Cross multiply
    9,288,813.38x = 12,818,720.94 × 5,102,674.76
  4. Step 4: Simplify right side
    9,288,813.38x = 65,409,763,796,021.47
  5. Step 5: Solve for x
    x = 65,409,763,796,021.47/9,288,813.38
  6. Step 6: Final answer
    x = 7,041,778.23

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1.5x scale

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.