Home / 7,580,631.44-10,461,248.42-4,142,872.78

Finding the Fourth Proportional to 7,580,631.44, 10,461,248.42 and 4,142,872.78

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Solution

The fourth proportional to 7,580,631.44, 10,461,248.42 and 4,142,872.78 is: 5,717,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580,631.44 : 10,461,248.42 = 4,142,872.78 : x
  2. Step 2: Convert to fraction form
    7,580,631.44/10,461,248.42 = 4,142,872.78/x
  3. Step 3: Cross multiply
    7,580,631.44x = 10,461,248.42 × 4,142,872.78
  4. Step 4: Simplify right side
    7,580,631.44x = 43,339,621,277,168.52
  5. Step 5: Solve for x
    x = 43,339,621,277,168.52/7,580,631.44
  6. Step 6: Final answer
    x = 5,717,151.88

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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.