Home / 9,966,586.20-14,949,879.30-5,661,914.10

Finding the Fourth Proportional to 9,966,586.20, 14,949,879.30 and 5,661,914.10

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Solution

The fourth proportional to 9,966,586.20, 14,949,879.30 and 5,661,914.10 is: 8,492,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,586.20 : 14,949,879.30 = 5,661,914.10 : x
  2. Step 2: Convert to fraction form
    9,966,586.20/14,949,879.30 = 5,661,914.10/x
  3. Step 3: Cross multiply
    9,966,586.20x = 14,949,879.30 × 5,661,914.10
  4. Step 4: Simplify right side
    9,966,586.20x = 84,644,932,401,968.12
  5. Step 5: Solve for x
    x = 84,644,932,401,968.12/9,966,586.20
  6. Step 6: Final answer
    x = 8,492,871.15

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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.