Home / 12,923,567.55-17,834,523.30-7,122,349.37

Finding the Fourth Proportional to 12,923,567.55, 17,834,523.30 and 7,122,349.37

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Solution

The fourth proportional to 12,923,567.55, 17,834,523.30 and 7,122,349.37 is: 9,828,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,567.55 : 17,834,523.30 = 7,122,349.37 : x
  2. Step 2: Convert to fraction form
    12,923,567.55/17,834,523.30 = 7,122,349.37/x
  3. Step 3: Cross multiply
    12,923,567.55x = 17,834,523.30 × 7,122,349.37
  4. Step 4: Simplify right side
    12,923,567.55x = 127,023,705,834,591.62
  5. Step 5: Solve for x
    x = 127,023,705,834,591.62/12,923,567.55
  6. Step 6: Final answer
    x = 9,828,842.18

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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.