Home / 12,923,564.61-17,834,519.26-7,122,346.44

Finding the Fourth Proportional to 12,923,564.61, 17,834,519.26 and 7,122,346.44

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Solution

The fourth proportional to 12,923,564.61, 17,834,519.26 and 7,122,346.44 is: 9,828,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,564.61 : 17,834,519.26 = 7,122,346.44 : x
  2. Step 2: Convert to fraction form
    12,923,564.61/17,834,519.26 = 7,122,346.44/x
  3. Step 3: Cross multiply
    12,923,564.61x = 17,834,519.26 × 7,122,346.44
  4. Step 4: Simplify right side
    12,923,564.61x = 127,023,624,760,572.45
  5. Step 5: Solve for x
    x = 127,023,624,760,572.45/12,923,564.61
  6. Step 6: Final answer
    x = 9,828,838.14

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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.