Home / 27,269,898.30-40,904,847.45-12,920,991.30

Finding the Fourth Proportional to 27,269,898.30, 40,904,847.45 and 12,920,991.30

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Solution

The fourth proportional to 27,269,898.30, 40,904,847.45 and 12,920,991.30 is: 19,381,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,269,898.30 : 40,904,847.45 = 12,920,991.30 : x
  2. Step 2: Convert to fraction form
    27,269,898.30/40,904,847.45 = 12,920,991.30/x
  3. Step 3: Cross multiply
    27,269,898.30x = 40,904,847.45 × 12,920,991.30
  4. Step 4: Simplify right side
    27,269,898.30x = 528,531,178,029,277.25
  5. Step 5: Solve for x
    x = 528,531,178,029,277.25/27,269,898.30
  6. Step 6: Final answer
    x = 19,381,486.95

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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.