Home / 20,035,401.84-27,627,943.32-11,885,065.20

Finding the Fourth Proportional to 20,035,401.84, 27,627,943.32 and 11,885,065.20

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Solution

The fourth proportional to 20,035,401.84, 27,627,943.32 and 11,885,065.20 is: 16,388,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035,401.84 : 27,627,943.32 = 11,885,065.20 : x
  2. Step 2: Convert to fraction form
    20,035,401.84/27,627,943.32 = 11,885,065.20/x
  3. Step 3: Cross multiply
    20,035,401.84x = 27,627,943.32 × 11,885,065.20
  4. Step 4: Simplify right side
    20,035,401.84x = 328,359,907,700,104.44
  5. Step 5: Solve for x
    x = 328,359,907,700,104.44/20,035,401.84
  6. Step 6: Final answer
    x = 16,388,985.37

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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.