Home / 18,219,969.07-25,143,724.62-10,379,365.11

Finding the Fourth Proportional to 18,219,969.07, 25,143,724.62 and 10,379,365.11

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Solution

The fourth proportional to 18,219,969.07, 25,143,724.62 and 10,379,365.11 is: 14,323,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,969.07 : 25,143,724.62 = 10,379,365.11 : x
  2. Step 2: Convert to fraction form
    18,219,969.07/25,143,724.62 = 10,379,365.11/x
  3. Step 3: Cross multiply
    18,219,969.07x = 25,143,724.62 × 10,379,365.11
  4. Step 4: Simplify right side
    18,219,969.07x = 260,975,898,056,276
  5. Step 5: Solve for x
    x = 260,975,898,056,276/18,219,969.07
  6. Step 6: Final answer
    x = 14,323,619.16

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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.