Home / 18,301,829.72-25,256,989.69-10,041,889.75

Finding the Fourth Proportional to 18,301,829.72, 25,256,989.69 and 10,041,889.75

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Solution

The fourth proportional to 18,301,829.72, 25,256,989.69 and 10,041,889.75 is: 13,858,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301,829.72 : 25,256,989.69 = 10,041,889.75 : x
  2. Step 2: Convert to fraction form
    18,301,829.72/25,256,989.69 = 10,041,889.75/x
  3. Step 3: Cross multiply
    18,301,829.72x = 25,256,989.69 × 10,041,889.75
  4. Step 4: Simplify right side
    18,301,829.72x = 253,627,905,795,619.50
  5. Step 5: Solve for x
    x = 253,627,905,795,619.50/18,301,829.72
  6. Step 6: Final answer
    x = 13,858,062.81

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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.