Home / 20,166,500.20-30,249,750.30-7,388,296.60

Finding the Fourth Proportional to 20,166,500.20, 30,249,750.30 and 7,388,296.60

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Solution

The fourth proportional to 20,166,500.20, 30,249,750.30 and 7,388,296.60 is: 11,082,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,500.20 : 30,249,750.30 = 7,388,296.60 : x
  2. Step 2: Convert to fraction form
    20,166,500.20/30,249,750.30 = 7,388,296.60/x
  3. Step 3: Cross multiply
    20,166,500.20x = 30,249,750.30 × 7,388,296.60
  4. Step 4: Simplify right side
    20,166,500.20x = 223,494,127,292,338.97
  5. Step 5: Solve for x
    x = 223,494,127,292,338.97/20,166,500.20
  6. Step 6: Final answer
    x = 11,082,444.90

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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.