Home / 6,663,760.55-9,995,640.83-1,615,071.05

Finding the Fourth Proportional to 6,663,760.55, 9,995,640.83 and 1,615,071.05

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Solution

The fourth proportional to 6,663,760.55, 9,995,640.83 and 1,615,071.05 is: 2,422,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663,760.55 : 9,995,640.83 = 1,615,071.05 : x
  2. Step 2: Convert to fraction form
    6,663,760.55/9,995,640.83 = 1,615,071.05/x
  3. Step 3: Cross multiply
    6,663,760.55x = 9,995,640.83 × 1,615,071.05
  4. Step 4: Simplify right side
    6,663,760.55x = 16,143,670,159,757.75
  5. Step 5: Solve for x
    x = 16,143,670,159,757.75/6,663,760.55
  6. Step 6: Final answer
    x = 2,422,606.58

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Similar ratio
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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.