Home / 20,096,031.40-30,144,047.10-19,403,189.80

Finding the Fourth Proportional to 20,096,031.40, 30,144,047.10 and 19,403,189.80

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Solution

The fourth proportional to 20,096,031.40, 30,144,047.10 and 19,403,189.80 is: 29,104,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096,031.40 : 30,144,047.10 = 19,403,189.80 : x
  2. Step 2: Convert to fraction form
    20,096,031.40/30,144,047.10 = 19,403,189.80/x
  3. Step 3: Cross multiply
    20,096,031.40x = 30,144,047.10 × 19,403,189.80
  4. Step 4: Simplify right side
    20,096,031.40x = 584,890,667,221,439.62
  5. Step 5: Solve for x
    x = 584,890,667,221,439.62/20,096,031.40
  6. Step 6: Final answer
    x = 29,104,784.70

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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.