Home / 7,924,989.85-11,879,188.79-3,316,616.60

Finding the Fourth Proportional to 7,924,989.85, 11,879,188.79 and 3,316,616.60

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Solution

The fourth proportional to 7,924,989.85, 11,879,188.79 and 3,316,616.60 is: 4,971,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924,989.85 : 11,879,188.79 = 3,316,616.60 : x
  2. Step 2: Convert to fraction form
    7,924,989.85/11,879,188.79 = 3,316,616.60/x
  3. Step 3: Cross multiply
    7,924,989.85x = 11,879,188.79 × 3,316,616.60
  4. Step 4: Simplify right side
    7,924,989.85x = 39,398,714,726,289.32
  5. Step 5: Solve for x
    x = 39,398,714,726,289.32/7,924,989.85
  6. Step 6: Final answer
    x = 4,971,453.02

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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.