Home / 27,959,998.21-41,920,499.03-12,389,358.17

Finding the Fourth Proportional to 27,959,998.21, 41,920,499.03 and 12,389,358.17

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Solution

The fourth proportional to 27,959,998.21, 41,920,499.03 and 12,389,358.17 is: 18,575,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959,998.21 : 41,920,499.03 = 12,389,358.17 : x
  2. Step 2: Convert to fraction form
    27,959,998.21/41,920,499.03 = 12,389,358.17/x
  3. Step 3: Cross multiply
    27,959,998.21x = 41,920,499.03 × 12,389,358.17
  4. Step 4: Simplify right side
    27,959,998.21x = 519,368,076,954,859.19
  5. Step 5: Solve for x
    x = 519,368,076,954,859.19/27,959,998.21
  6. Step 6: Final answer
    x = 18,575,397.36

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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.