Home / 20,215,110.90-30,322,666.35-19,683,669.90

Finding the Fourth Proportional to 20,215,110.90, 30,322,666.35 and 19,683,669.90

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Solution

The fourth proportional to 20,215,110.90, 30,322,666.35 and 19,683,669.90 is: 29,525,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,110.90 : 30,322,666.35 = 19,683,669.90 : x
  2. Step 2: Convert to fraction form
    20,215,110.90/30,322,666.35 = 19,683,669.90/x
  3. Step 3: Cross multiply
    20,215,110.90x = 30,322,666.35 × 19,683,669.90
  4. Step 4: Simplify right side
    20,215,110.90x = 596,861,354,921,237.88
  5. Step 5: Solve for x
    x = 596,861,354,921,237.88/20,215,110.90
  6. Step 6: Final answer
    x = 29,525,504.85

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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.