Home / 18,164,221.89-25,072,700.37-10,824,356.67

Finding the Fourth Proportional to 18,164,221.89, 25,072,700.37 and 10,824,356.67

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Solution

The fourth proportional to 18,164,221.89, 25,072,700.37 and 10,824,356.67 is: 14,941,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164,221.89 : 25,072,700.37 = 10,824,356.67 : x
  2. Step 2: Convert to fraction form
    18,164,221.89/25,072,700.37 = 10,824,356.67/x
  3. Step 3: Cross multiply
    18,164,221.89x = 25,072,700.37 × 10,824,356.67
  4. Step 4: Simplify right side
    18,164,221.89x = 271,395,851,484,920.97
  5. Step 5: Solve for x
    x = 271,395,851,484,920.97/18,164,221.89
  6. Step 6: Final answer
    x = 14,941,231.90

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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.