Home / 12,426,379.18-18,642,502.77-3,906,715.65

Finding the Fourth Proportional to 12,426,379.18, 18,642,502.77 and 3,906,715.65

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Solution

The fourth proportional to 12,426,379.18, 18,642,502.77 and 3,906,715.65 is: 5,860,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,379.18 : 18,642,502.77 = 3,906,715.65 : x
  2. Step 2: Convert to fraction form
    12,426,379.18/18,642,502.77 = 3,906,715.65/x
  3. Step 3: Cross multiply
    12,426,379.18x = 18,642,502.77 × 3,906,715.65
  4. Step 4: Simplify right side
    12,426,379.18x = 72,830,957,369,007.14
  5. Step 5: Solve for x
    x = 72,830,957,369,007.14/12,426,379.18
  6. Step 6: Final answer
    x = 5,860,995.89

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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.