Home / 13,576,711.60-20,365,067.40-7,837,148.80

Finding the Fourth Proportional to 13,576,711.60, 20,365,067.40 and 7,837,148.80

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Solution

The fourth proportional to 13,576,711.60, 20,365,067.40 and 7,837,148.80 is: 11,755,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576,711.60 : 20,365,067.40 = 7,837,148.80 : x
  2. Step 2: Convert to fraction form
    13,576,711.60/20,365,067.40 = 7,837,148.80/x
  3. Step 3: Cross multiply
    13,576,711.60x = 20,365,067.40 × 7,837,148.80
  4. Step 4: Simplify right side
    13,576,711.60x = 159,604,063,535,829.09
  5. Step 5: Solve for x
    x = 159,604,063,535,829.09/13,576,711.60
  6. Step 6: Final answer
    x = 11,755,723.20

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1.5x scale

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.