Home / 12,502,176.46-18,728,999.54-9,213,558.38

Finding the Fourth Proportional to 12,502,176.46, 18,728,999.54 and 9,213,558.38

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Solution

The fourth proportional to 12,502,176.46, 18,728,999.54 and 9,213,558.38 is: 13,802,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502,176.46 : 18,728,999.54 = 9,213,558.38 : x
  2. Step 2: Convert to fraction form
    12,502,176.46/18,728,999.54 = 9,213,558.38/x
  3. Step 3: Cross multiply
    12,502,176.46x = 18,728,999.54 × 9,213,558.38
  4. Step 4: Simplify right side
    12,502,176.46x = 172,560,730,660,783.16
  5. Step 5: Solve for x
    x = 172,560,730,660,783.16/12,502,176.46
  6. Step 6: Final answer
    x = 13,802,455.21

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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.