Home / 7,289,642.25-10,059,681.39-4,192,019.36

Finding the Fourth Proportional to 7,289,642.25, 10,059,681.39 and 4,192,019.36

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Solution

The fourth proportional to 7,289,642.25, 10,059,681.39 and 4,192,019.36 is: 5,784,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289,642.25 : 10,059,681.39 = 4,192,019.36 : x
  2. Step 2: Convert to fraction form
    7,289,642.25/10,059,681.39 = 4,192,019.36/x
  3. Step 3: Cross multiply
    7,289,642.25x = 10,059,681.39 × 4,192,019.36
  4. Step 4: Simplify right side
    7,289,642.25x = 42,170,379,092,013.30
  5. Step 5: Solve for x
    x = 42,170,379,092,013.30/7,289,642.25
  6. Step 6: Final answer
    x = 5,784,972.39

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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.