Home / 21,843,089.24-30,149,459.34-12,678,684.44

Finding the Fourth Proportional to 21,843,089.24, 30,149,459.34 and 12,678,684.44

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Solution

The fourth proportional to 21,843,089.24, 30,149,459.34 and 12,678,684.44 is: 17,500,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843,089.24 : 30,149,459.34 = 12,678,684.44 : x
  2. Step 2: Convert to fraction form
    21,843,089.24/30,149,459.34 = 12,678,684.44/x
  3. Step 3: Cross multiply
    21,843,089.24x = 30,149,459.34 × 12,678,684.44
  4. Step 4: Simplify right side
    21,843,089.24x = 382,255,481,008,470.62
  5. Step 5: Solve for x
    x = 382,255,481,008,470.62/21,843,089.24
  6. Step 6: Final answer
    x = 17,500,064.98

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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.