Home / 5,628,154.20-8,429,789.70-4,356,000.60

Finding the Fourth Proportional to 5,628,154.20, 8,429,789.70 and 4,356,000.60

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Solution

The fourth proportional to 5,628,154.20, 8,429,789.70 and 4,356,000.60 is: 6,524,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628,154.20 : 8,429,789.70 = 4,356,000.60 : x
  2. Step 2: Convert to fraction form
    5,628,154.20/8,429,789.70 = 4,356,000.60/x
  3. Step 3: Cross multiply
    5,628,154.20x = 8,429,789.70 × 4,356,000.60
  4. Step 4: Simplify right side
    5,628,154.20x = 36,720,168,991,073.81
  5. Step 5: Solve for x
    x = 36,720,168,991,073.81/5,628,154.20
  6. Step 6: Final answer
    x = 6,524,371.52

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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.