Home / 7,339,995.20-10,988,997.60-4,505,643.20

Finding the Fourth Proportional to 7,339,995.20, 10,988,997.60 and 4,505,643.20

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Solution

The fourth proportional to 7,339,995.20, 10,988,997.60 and 4,505,643.20 is: 6,745,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,995.20 : 10,988,997.60 = 4,505,643.20 : x
  2. Step 2: Convert to fraction form
    7,339,995.20/10,988,997.60 = 4,505,643.20/x
  3. Step 3: Cross multiply
    7,339,995.20x = 10,988,997.60 × 4,505,643.20
  4. Step 4: Simplify right side
    7,339,995.20x = 49,512,502,311,256.32
  5. Step 5: Solve for x
    x = 49,512,502,311,256.32/7,339,995.20
  6. Step 6: Final answer
    x = 6,745,576.93

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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.