Home / 5,377,106.40-8,065,659.60-4,789,240.80

Finding the Fourth Proportional to 5,377,106.40, 8,065,659.60 and 4,789,240.80

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Solution

The fourth proportional to 5,377,106.40, 8,065,659.60 and 4,789,240.80 is: 7,183,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,106.40 : 8,065,659.60 = 4,789,240.80 : x
  2. Step 2: Convert to fraction form
    5,377,106.40/8,065,659.60 = 4,789,240.80/x
  3. Step 3: Cross multiply
    5,377,106.40x = 8,065,659.60 × 4,789,240.80
  4. Step 4: Simplify right side
    5,377,106.40x = 38,628,386,035,231.68
  5. Step 5: Solve for x
    x = 38,628,386,035,231.68/5,377,106.40
  6. Step 6: Final answer
    x = 7,183,861.20

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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.