Home / 7,671,149.82-10,586,440.80-4,186,678.86

Finding the Fourth Proportional to 7,671,149.82, 10,586,440.80 and 4,186,678.86

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Solution

The fourth proportional to 7,671,149.82, 10,586,440.80 and 4,186,678.86 is: 5,777,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671,149.82 : 10,586,440.80 = 4,186,678.86 : x
  2. Step 2: Convert to fraction form
    7,671,149.82/10,586,440.80 = 4,186,678.86/x
  3. Step 3: Cross multiply
    7,671,149.82x = 10,586,440.80 × 4,186,678.86
  4. Step 4: Simplify right side
    7,671,149.82x = 44,322,027,900,001.49
  5. Step 5: Solve for x
    x = 44,322,027,900,001.49/7,671,149.82
  6. Step 6: Final answer
    x = 5,777,755.48

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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.