Home / 10,582,720.20-15,870,143.70-4,191,650.10

Finding the Fourth Proportional to 10,582,720.20, 15,870,143.70 and 4,191,650.10

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Solution

The fourth proportional to 10,582,720.20, 15,870,143.70 and 4,191,650.10 is: 6,285,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,582,720.20 : 15,870,143.70 = 4,191,650.10 : x
  2. Step 2: Convert to fraction form
    10,582,720.20/15,870,143.70 = 4,191,650.10/x
  3. Step 3: Cross multiply
    10,582,720.20x = 15,870,143.70 × 4,191,650.10
  4. Step 4: Simplify right side
    10,582,720.20x = 66,522,089,427,119.37
  5. Step 5: Solve for x
    x = 66,522,089,427,119.37/10,582,720.20
  6. Step 6: Final answer
    x = 6,285,915.92

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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.