Home / 20,001,928.20-30,002,892.30-19,218,107.40

Finding the Fourth Proportional to 20,001,928.20, 30,002,892.30 and 19,218,107.40

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Solution

The fourth proportional to 20,001,928.20, 30,002,892.30 and 19,218,107.40 is: 28,827,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001,928.20 : 30,002,892.30 = 19,218,107.40 : x
  2. Step 2: Convert to fraction form
    20,001,928.20/30,002,892.30 = 19,218,107.40/x
  3. Step 3: Cross multiply
    20,001,928.20x = 30,002,892.30 × 19,218,107.40
  4. Step 4: Simplify right side
    20,001,928.20x = 576,598,806,532,033
  5. Step 5: Solve for x
    x = 576,598,806,532,033/20,001,928.20
  6. Step 6: Final answer
    x = 28,827,161.10

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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.