Home / 27,959,998.77-41,920,499.88-12,389,358.73

Finding the Fourth Proportional to 27,959,998.77, 41,920,499.88 and 12,389,358.73

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Solution

The fourth proportional to 27,959,998.77, 41,920,499.88 and 12,389,358.73 is: 18,575,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959,998.77 : 41,920,499.88 = 12,389,358.73 : x
  2. Step 2: Convert to fraction form
    27,959,998.77/41,920,499.88 = 12,389,358.73/x
  3. Step 3: Cross multiply
    27,959,998.77x = 41,920,499.88 × 12,389,358.73
  4. Step 4: Simplify right side
    27,959,998.77x = 519,368,111,154,242
  5. Step 5: Solve for x
    x = 519,368,111,154,242/27,959,998.77
  6. Step 6: Final answer
    x = 18,575,398.21

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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.