Home / 7,189,453.40-10,784,180.10-5,583,320.60

Finding the Fourth Proportional to 7,189,453.40, 10,784,180.10 and 5,583,320.60

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Solution

The fourth proportional to 7,189,453.40, 10,784,180.10 and 5,583,320.60 is: 8,374,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,453.40 : 10,784,180.10 = 5,583,320.60 : x
  2. Step 2: Convert to fraction form
    7,189,453.40/10,784,180.10 = 5,583,320.60/x
  3. Step 3: Cross multiply
    7,189,453.40x = 10,784,180.10 × 5,583,320.60
  4. Step 4: Simplify right side
    7,189,453.40x = 60,211,534,906,440.05
  5. Step 5: Solve for x
    x = 60,211,534,906,440.05/7,189,453.40
  6. Step 6: Final answer
    x = 8,374,980.90

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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.