Home / 20,166,475.70-30,249,713.55-7,388,272.10

Finding the Fourth Proportional to 20,166,475.70, 30,249,713.55 and 7,388,272.10

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Solution

The fourth proportional to 20,166,475.70, 30,249,713.55 and 7,388,272.10 is: 11,082,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,475.70 : 30,249,713.55 = 7,388,272.10 : x
  2. Step 2: Convert to fraction form
    20,166,475.70/30,249,713.55 = 7,388,272.10/x
  3. Step 3: Cross multiply
    20,166,475.70x = 30,249,713.55 × 7,388,272.10
  4. Step 4: Simplify right side
    20,166,475.70x = 223,493,114,654,456.94
  5. Step 5: Solve for x
    x = 223,493,114,654,456.94/20,166,475.70
  6. Step 6: Final answer
    x = 11,082,408.15

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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.