Home / 12,524,551.80-18,786,827.70-7,485,703.80

Finding the Fourth Proportional to 12,524,551.80, 18,786,827.70 and 7,485,703.80

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Solution

The fourth proportional to 12,524,551.80, 18,786,827.70 and 7,485,703.80 is: 11,228,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524,551.80 : 18,786,827.70 = 7,485,703.80 : x
  2. Step 2: Convert to fraction form
    12,524,551.80/18,786,827.70 = 7,485,703.80/x
  3. Step 3: Cross multiply
    12,524,551.80x = 18,786,827.70 × 7,485,703.80
  4. Step 4: Simplify right side
    12,524,551.80x = 140,632,627,503,835.25
  5. Step 5: Solve for x
    x = 140,632,627,503,835.25/12,524,551.80
  6. Step 6: Final answer
    x = 11,228,555.70

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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.