Home / 18,290,428.37-25,238,471.27-10,028,316.51

Finding the Fourth Proportional to 18,290,428.37, 25,238,471.27 and 10,028,316.51

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Solution

The fourth proportional to 18,290,428.37, 25,238,471.27 and 10,028,316.51 is: 13,837,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290,428.37 : 25,238,471.27 = 10,028,316.51 : x
  2. Step 2: Convert to fraction form
    18,290,428.37/25,238,471.27 = 10,028,316.51/x
  3. Step 3: Cross multiply
    18,290,428.37x = 25,238,471.27 × 10,028,316.51
  4. Step 4: Simplify right side
    18,290,428.37x = 253,099,378,073,960.09
  5. Step 5: Solve for x
    x = 253,099,378,073,960.09/18,290,428.37
  6. Step 6: Final answer
    x = 13,837,804.84

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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.