Home / 13,187,800.20-19,781,700.30-4,089,880.20

Finding the Fourth Proportional to 13,187,800.20, 19,781,700.30 and 4,089,880.20

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Solution

The fourth proportional to 13,187,800.20, 19,781,700.30 and 4,089,880.20 is: 6,134,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,800.20 : 19,781,700.30 = 4,089,880.20 : x
  2. Step 2: Convert to fraction form
    13,187,800.20/19,781,700.30 = 4,089,880.20/x
  3. Step 3: Cross multiply
    13,187,800.20x = 19,781,700.30 × 4,089,880.20
  4. Step 4: Simplify right side
    13,187,800.20x = 80,904,784,379,304.06
  5. Step 5: Solve for x
    x = 80,904,784,379,304.06/13,187,800.20
  6. Step 6: Final answer
    x = 6,134,820.30

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Similar ratio
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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.