Home / 22,486,213.98-31,030,984.98-12,172,936.50

Finding the Fourth Proportional to 22,486,213.98, 31,030,984.98 and 12,172,936.50

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Solution

The fourth proportional to 22,486,213.98, 31,030,984.98 and 12,172,936.50 is: 16,798,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486,213.98 : 31,030,984.98 = 12,172,936.50 : x
  2. Step 2: Convert to fraction form
    22,486,213.98/31,030,984.98 = 12,172,936.50/x
  3. Step 3: Cross multiply
    22,486,213.98x = 31,030,984.98 × 12,172,936.50
  4. Step 4: Simplify right side
    22,486,213.98x = 377,738,209,693,993.75
  5. Step 5: Solve for x
    x = 377,738,209,693,993.75/22,486,213.98
  6. Step 6: Final answer
    x = 16,798,657.61

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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.