Home / 5,678,822.60-8,518,233.90-5,214,336.20

Finding the Fourth Proportional to 5,678,822.60, 8,518,233.90 and 5,214,336.20

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Solution

The fourth proportional to 5,678,822.60, 8,518,233.90 and 5,214,336.20 is: 7,821,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,822.60 : 8,518,233.90 = 5,214,336.20 : x
  2. Step 2: Convert to fraction form
    5,678,822.60/8,518,233.90 = 5,214,336.20/x
  3. Step 3: Cross multiply
    5,678,822.60x = 8,518,233.90 × 5,214,336.20
  4. Step 4: Simplify right side
    5,678,822.60x = 44,416,935,384,837.18
  5. Step 5: Solve for x
    x = 44,416,935,384,837.18/5,678,822.60
  6. Step 6: Final answer
    x = 7,821,504.30

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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.