Home / 20,117,406.75-30,180,609.50-7,337,911.45

Finding the Fourth Proportional to 20,117,406.75, 30,180,609.50 and 7,337,911.45

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Solution

The fourth proportional to 20,117,406.75, 30,180,609.50 and 7,337,911.45 is: 11,008,508.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,406.75 : 30,180,609.50 = 7,337,911.45 : x
  2. Step 2: Convert to fraction form
    20,117,406.75/30,180,609.50 = 7,337,911.45/x
  3. Step 3: Cross multiply
    20,117,406.75x = 30,180,609.50 × 7,337,911.45
  4. Step 4: Simplify right side
    20,117,406.75x = 221,462,640,018,028.78
  5. Step 5: Solve for x
    x = 221,462,640,018,028.78/20,117,406.75
  6. Step 6: Final answer
    x = 11,008,508.34

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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.