Home / 5,425,039.40-8,139,632.70-5,340,021.80

Finding the Fourth Proportional to 5,425,039.40, 8,139,632.70 and 5,340,021.80

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Solution

The fourth proportional to 5,425,039.40, 8,139,632.70 and 5,340,021.80 is: 8,012,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,039.40 : 8,139,632.70 = 5,340,021.80 : x
  2. Step 2: Convert to fraction form
    5,425,039.40/8,139,632.70 = 5,340,021.80/x
  3. Step 3: Cross multiply
    5,425,039.40x = 8,139,632.70 × 5,340,021.80
  4. Step 4: Simplify right side
    5,425,039.40x = 43,465,816,061,992.86
  5. Step 5: Solve for x
    x = 43,465,816,061,992.86/5,425,039.40
  6. Step 6: Final answer
    x = 8,012,073.80

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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.