Home / 17,430,000.80-26,145,001.20-8,907,504.80

Finding the Fourth Proportional to 17,430,000.80, 26,145,001.20 and 8,907,504.80

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Solution

The fourth proportional to 17,430,000.80, 26,145,001.20 and 8,907,504.80 is: 13,361,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430,000.80 : 26,145,001.20 = 8,907,504.80 : x
  2. Step 2: Convert to fraction form
    17,430,000.80/26,145,001.20 = 8,907,504.80/x
  3. Step 3: Cross multiply
    17,430,000.80x = 26,145,001.20 × 8,907,504.80
  4. Step 4: Simplify right side
    17,430,000.80x = 232,886,723,685,005.78
  5. Step 5: Solve for x
    x = 232,886,723,685,005.78/17,430,000.80
  6. Step 6: Final answer
    x = 13,361,257.20

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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.