Home / 12,421,104.30-18,632,400.44-3,901,440.47

Finding the Fourth Proportional to 12,421,104.30, 18,632,400.44 and 3,901,440.47

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Solution

The fourth proportional to 12,421,104.30, 18,632,400.44 and 3,901,440.47 is: 5,852,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421,104.30 : 18,632,400.44 = 3,901,440.47 : x
  2. Step 2: Convert to fraction form
    12,421,104.30/18,632,400.44 = 3,901,440.47/x
  3. Step 3: Cross multiply
    12,421,104.30x = 18,632,400.44 × 3,901,440.47
  4. Step 4: Simplify right side
    12,421,104.30x = 72,693,201,017,192.59
  5. Step 5: Solve for x
    x = 72,693,201,017,192.59/12,421,104.30
  6. Step 6: Final answer
    x = 5,852,394.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.