Home / 8,902,477.60-13,353,716.40-8,807,999.20

Finding the Fourth Proportional to 8,902,477.60, 13,353,716.40 and 8,807,999.20

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Solution

The fourth proportional to 8,902,477.60, 13,353,716.40 and 8,807,999.20 is: 13,211,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902,477.60 : 13,353,716.40 = 8,807,999.20 : x
  2. Step 2: Convert to fraction form
    8,902,477.60/13,353,716.40 = 8,807,999.20/x
  3. Step 3: Cross multiply
    8,902,477.60x = 13,353,716.40 × 8,807,999.20
  4. Step 4: Simplify right side
    8,902,477.60x = 117,619,523,368,226.88
  5. Step 5: Solve for x
    x = 117,619,523,368,226.88/8,902,477.60
  6. Step 6: Final answer
    x = 13,211,998.80

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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.