Home / 8,902,280.80-13,353,421.20-3,220,454.80

Finding the Fourth Proportional to 8,902,280.80, 13,353,421.20 and 3,220,454.80

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Solution

The fourth proportional to 8,902,280.80, 13,353,421.20 and 3,220,454.80 is: 4,830,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902,280.80 : 13,353,421.20 = 3,220,454.80 : x
  2. Step 2: Convert to fraction form
    8,902,280.80/13,353,421.20 = 3,220,454.80/x
  3. Step 3: Cross multiply
    8,902,280.80x = 13,353,421.20 × 3,220,454.80
  4. Step 4: Simplify right side
    8,902,280.80x = 43,004,089,399,961.76
  5. Step 5: Solve for x
    x = 43,004,089,399,961.76/8,902,280.80
  6. Step 6: Final answer
    x = 4,830,682.20

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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.