Home / 7,672,388.70-10,587,142.62-4,234,407.78

Finding the Fourth Proportional to 7,672,388.70, 10,587,142.62 and 4,234,407.78

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Solution

The fourth proportional to 7,672,388.70, 10,587,142.62 and 4,234,407.78 is: 5,843,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672,388.70 : 10,587,142.62 = 4,234,407.78 : x
  2. Step 2: Convert to fraction form
    7,672,388.70/10,587,142.62 = 4,234,407.78/x
  3. Step 3: Cross multiply
    7,672,388.70x = 10,587,142.62 × 4,234,407.78
  4. Step 4: Simplify right side
    7,672,388.70x = 44,830,279,078,097.59
  5. Step 5: Solve for x
    x = 44,830,279,078,097.59/7,672,388.70
  6. Step 6: Final answer
    x = 5,843,066.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.