Home / 8,649,396.81-11,936,416.77-4,782,167.64

Finding the Fourth Proportional to 8,649,396.81, 11,936,416.77 and 4,782,167.64

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Solution

The fourth proportional to 8,649,396.81, 11,936,416.77 and 4,782,167.64 is: 6,599,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649,396.81 : 11,936,416.77 = 4,782,167.64 : x
  2. Step 2: Convert to fraction form
    8,649,396.81/11,936,416.77 = 4,782,167.64/x
  3. Step 3: Cross multiply
    8,649,396.81x = 11,936,416.77 × 4,782,167.64
  4. Step 4: Simplify right side
    8,649,396.81x = 57,081,946,015,047.32
  5. Step 5: Solve for x
    x = 57,081,946,015,047.32/8,649,396.81
  6. Step 6: Final answer
    x = 6,599,529.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.