Home / 27,959,999.21-41,920,500.52-12,389,359.17

Finding the Fourth Proportional to 27,959,999.21, 41,920,500.52 and 12,389,359.17

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Solution

The fourth proportional to 27,959,999.21, 41,920,500.52 and 12,389,359.17 is: 18,575,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959,999.21 : 41,920,500.52 = 12,389,359.17 : x
  2. Step 2: Convert to fraction form
    27,959,999.21/41,920,500.52 = 12,389,359.17/x
  3. Step 3: Cross multiply
    27,959,999.21x = 41,920,500.52 × 12,389,359.17
  4. Step 4: Simplify right side
    27,959,999.21x = 519,368,137,528,451.81
  5. Step 5: Solve for x
    x = 519,368,137,528,451.81/27,959,999.21
  6. Step 6: Final answer
    x = 18,575,398.86

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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.