Home / 13,305,267.89-18,361,235.13-7,424,840.38

Finding the Fourth Proportional to 13,305,267.89, 18,361,235.13 and 7,424,840.38

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Solution

The fourth proportional to 13,305,267.89, 18,361,235.13 and 7,424,840.38 is: 10,246,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,267.89 : 18,361,235.13 = 7,424,840.38 : x
  2. Step 2: Convert to fraction form
    13,305,267.89/18,361,235.13 = 7,424,840.38/x
  3. Step 3: Cross multiply
    13,305,267.89x = 18,361,235.13 × 7,424,840.38
  4. Step 4: Simplify right side
    13,305,267.89x = 136,329,240,019,898.55
  5. Step 5: Solve for x
    x = 136,329,240,019,898.55/13,305,267.89
  6. Step 6: Final answer
    x = 10,246,260.44

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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.