Home / 18,291,436.16-25,240,362.68-10,558,969.60

Finding the Fourth Proportional to 18,291,436.16, 25,240,362.68 and 10,558,969.60

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Solution

The fourth proportional to 18,291,436.16, 25,240,362.68 and 10,558,969.60 is: 14,570,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291,436.16 : 25,240,362.68 = 10,558,969.60 : x
  2. Step 2: Convert to fraction form
    18,291,436.16/25,240,362.68 = 10,558,969.60/x
  3. Step 3: Cross multiply
    18,291,436.16x = 25,240,362.68 × 10,558,969.60
  4. Step 4: Simplify right side
    18,291,436.16x = 266,512,222,231,094.50
  5. Step 5: Solve for x
    x = 266,512,222,231,094.50/18,291,436.16
  6. Step 6: Final answer
    x = 14,570,327.88

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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.