Home / 8,967,010.80-13,450,516.20-8,470,999.20

Finding the Fourth Proportional to 8,967,010.80, 13,450,516.20 and 8,470,999.20

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Solution

The fourth proportional to 8,967,010.80, 13,450,516.20 and 8,470,999.20 is: 12,706,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967,010.80 : 13,450,516.20 = 8,470,999.20 : x
  2. Step 2: Convert to fraction form
    8,967,010.80/13,450,516.20 = 8,470,999.20/x
  3. Step 3: Cross multiply
    8,967,010.80x = 13,450,516.20 × 8,470,999.20
  4. Step 4: Simplify right side
    8,967,010.80x = 113,939,311,969,787.03
  5. Step 5: Solve for x
    x = 113,939,311,969,787.03/8,967,010.80
  6. Step 6: Final answer
    x = 12,706,498.80

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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.