Home / 20,185,981.85-27,856,299.53-11,483,969.00

Finding the Fourth Proportional to 20,185,981.85, 27,856,299.53 and 11,483,969.00

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Solution

The fourth proportional to 20,185,981.85, 27,856,299.53 and 11,483,969.00 is: 15,847,675.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,981.85 : 27,856,299.53 = 11,483,969.00 : x
  2. Step 2: Convert to fraction form
    20,185,981.85/27,856,299.53 = 11,483,969.00/x
  3. Step 3: Cross multiply
    20,185,981.85x = 27,856,299.53 × 11,483,969.00
  4. Step 4: Simplify right side
    20,185,981.85x = 319,900,880,146,662.94
  5. Step 5: Solve for x
    x = 319,900,880,146,662.94/20,185,981.85
  6. Step 6: Final answer
    x = 15,847,675.01

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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.