Home / 12,507,553.94-18,736,896.40-8,616,323.72

Finding the Fourth Proportional to 12,507,553.94, 18,736,896.40 and 8,616,323.72

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Solution

The fourth proportional to 12,507,553.94, 18,736,896.40 and 8,616,323.72 is: 12,907,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,553.94 : 18,736,896.40 = 8,616,323.72 : x
  2. Step 2: Convert to fraction form
    12,507,553.94/18,736,896.40 = 8,616,323.72/x
  3. Step 3: Cross multiply
    12,507,553.94x = 18,736,896.40 × 8,616,323.72
  4. Step 4: Simplify right side
    12,507,553.94x = 161,443,164,964,270.84
  5. Step 5: Solve for x
    x = 161,443,164,964,270.84/12,507,553.94
  6. Step 6: Final answer
    x = 12,907,652.91

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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.