Home / 8,690,662.20-13,049,990.10-6,563,148.60

Finding the Fourth Proportional to 8,690,662.20, 13,049,990.10 and 6,563,148.60

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Solution

The fourth proportional to 8,690,662.20, 13,049,990.10 and 6,563,148.60 is: 9,855,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,662.20 : 13,049,990.10 = 6,563,148.60 : x
  2. Step 2: Convert to fraction form
    8,690,662.20/13,049,990.10 = 6,563,148.60/x
  3. Step 3: Cross multiply
    8,690,662.20x = 13,049,990.10 × 6,563,148.60
  4. Step 4: Simplify right side
    8,690,662.20x = 85,649,024,254,828.86
  5. Step 5: Solve for x
    x = 85,649,024,254,828.86/8,690,662.20
  6. Step 6: Final answer
    x = 9,855,293.22

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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.