Home / 12,923,548.76-17,834,497.38-7,122,330.56

Finding the Fourth Proportional to 12,923,548.76, 17,834,497.38 and 7,122,330.56

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Solution

The fourth proportional to 12,923,548.76, 17,834,497.38 and 7,122,330.56 is: 9,828,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,548.76 : 17,834,497.38 = 7,122,330.56 : x
  2. Step 2: Convert to fraction form
    12,923,548.76/17,834,497.38 = 7,122,330.56/x
  3. Step 3: Cross multiply
    12,923,548.76x = 17,834,497.38 × 7,122,330.56
  4. Step 4: Simplify right side
    12,923,548.76x = 127,023,185,622,641.44
  5. Step 5: Solve for x
    x = 127,023,185,622,641.44/12,923,548.76
  6. Step 6: Final answer
    x = 9,828,816.22

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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.