Home / 20,189,280.40-30,283,920.60-8,060,615.80

Finding the Fourth Proportional to 20,189,280.40, 30,283,920.60 and 8,060,615.80

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Solution

The fourth proportional to 20,189,280.40, 30,283,920.60 and 8,060,615.80 is: 12,090,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189,280.40 : 30,283,920.60 = 8,060,615.80 : x
  2. Step 2: Convert to fraction form
    20,189,280.40/30,283,920.60 = 8,060,615.80/x
  3. Step 3: Cross multiply
    20,189,280.40x = 30,283,920.60 × 8,060,615.80
  4. Step 4: Simplify right side
    20,189,280.40x = 244,107,048,874,305.50
  5. Step 5: Solve for x
    x = 244,107,048,874,305.50/20,189,280.40
  6. Step 6: Final answer
    x = 12,090,923.70

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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.