Home / 8,907,638.80-13,361,458.20-7,632,180.40

Finding the Fourth Proportional to 8,907,638.80, 13,361,458.20 and 7,632,180.40

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Solution

The fourth proportional to 8,907,638.80, 13,361,458.20 and 7,632,180.40 is: 11,448,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,638.80 : 13,361,458.20 = 7,632,180.40 : x
  2. Step 2: Convert to fraction form
    8,907,638.80/13,361,458.20 = 7,632,180.40/x
  3. Step 3: Cross multiply
    8,907,638.80x = 13,361,458.20 × 7,632,180.40
  4. Step 4: Simplify right side
    8,907,638.80x = 101,977,059,389,459.28
  5. Step 5: Solve for x
    x = 101,977,059,389,459.28/8,907,638.80
  6. Step 6: Final answer
    x = 11,448,270.60

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Double scale
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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.