Home / 7,088,122.50-9,781,609.11-3,868,858.50

Finding the Fourth Proportional to 7,088,122.50, 9,781,609.11 and 3,868,858.50

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Solution

The fourth proportional to 7,088,122.50, 9,781,609.11 and 3,868,858.50 is: 5,339,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088,122.50 : 9,781,609.11 = 3,868,858.50 : x
  2. Step 2: Convert to fraction form
    7,088,122.50/9,781,609.11 = 3,868,858.50/x
  3. Step 3: Cross multiply
    7,088,122.50x = 9,781,609.11 × 3,868,858.50
  4. Step 4: Simplify right side
    7,088,122.50x = 37,843,661,548,900.93
  5. Step 5: Solve for x
    x = 37,843,661,548,900.93/7,088,122.50
  6. Step 6: Final answer
    x = 5,339,024.76

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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.