Home / 18,637,141.44-25,715,000.16-10,485,405.12

Finding the Fourth Proportional to 18,637,141.44, 25,715,000.16 and 10,485,405.12

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Solution

The fourth proportional to 18,637,141.44, 25,715,000.16 and 10,485,405.12 is: 14,467,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637,141.44 : 25,715,000.16 = 10,485,405.12 : x
  2. Step 2: Convert to fraction form
    18,637,141.44/25,715,000.16 = 10,485,405.12/x
  3. Step 3: Cross multiply
    18,637,141.44x = 25,715,000.16 × 10,485,405.12
  4. Step 4: Simplify right side
    18,637,141.44x = 269,632,194,338,464.81
  5. Step 5: Solve for x
    x = 269,632,194,338,464.81/18,637,141.44
  6. Step 6: Final answer
    x = 14,467,465.15

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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.