Home / 20,150,999.70-30,226,499.55-5,004,931.20

Finding the Fourth Proportional to 20,150,999.70, 30,226,499.55 and 5,004,931.20

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Solution

The fourth proportional to 20,150,999.70, 30,226,499.55 and 5,004,931.20 is: 7,507,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150,999.70 : 30,226,499.55 = 5,004,931.20 : x
  2. Step 2: Convert to fraction form
    20,150,999.70/30,226,499.55 = 5,004,931.20/x
  3. Step 3: Cross multiply
    20,150,999.70x = 30,226,499.55 × 5,004,931.20
  4. Step 4: Simplify right side
    20,150,999.70x = 151,281,550,664,580.97
  5. Step 5: Solve for x
    x = 151,281,550,664,580.97/20,150,999.70
  6. Step 6: Final answer
    x = 7,507,396.80

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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.