Home / 20,189,042.40-30,283,563.60-6,725,870.40

Finding the Fourth Proportional to 20,189,042.40, 30,283,563.60 and 6,725,870.40

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Solution

The fourth proportional to 20,189,042.40, 30,283,563.60 and 6,725,870.40 is: 10,088,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189,042.40 : 30,283,563.60 = 6,725,870.40 : x
  2. Step 2: Convert to fraction form
    20,189,042.40/30,283,563.60 = 6,725,870.40/x
  3. Step 3: Cross multiply
    20,189,042.40x = 30,283,563.60 × 6,725,870.40
  4. Step 4: Simplify right side
    20,189,042.40x = 203,683,324,023,757.47
  5. Step 5: Solve for x
    x = 203,683,324,023,757.47/20,189,042.40
  6. Step 6: Final answer
    x = 10,088,805.60

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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.