Home / 12,233,186.65-18,349,196.78-4,145,369.05

Finding the Fourth Proportional to 12,233,186.65, 18,349,196.78 and 4,145,369.05

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Solution

The fourth proportional to 12,233,186.65, 18,349,196.78 and 4,145,369.05 is: 6,217,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233,186.65 : 18,349,196.78 = 4,145,369.05 : x
  2. Step 2: Convert to fraction form
    12,233,186.65/18,349,196.78 = 4,145,369.05/x
  3. Step 3: Cross multiply
    12,233,186.65x = 18,349,196.78 × 4,145,369.05
  4. Step 4: Simplify right side
    12,233,186.65x = 76,064,192,403,444.80
  5. Step 5: Solve for x
    x = 76,064,192,403,444.80/12,233,186.65
  6. Step 6: Final answer
    x = 6,217,855.95

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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.