Home / 18,187,695-25,099,021.26-10,038,935.16

Finding the Fourth Proportional to 18,187,695, 25,099,021.26 and 10,038,935.16

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Solution

The fourth proportional to 18,187,695, 25,099,021.26 and 10,038,935.16 is: 13,853,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,695 : 25,099,021.26 = 10,038,935.16 : x
  2. Step 2: Convert to fraction form
    18,187,695/25,099,021.26 = 10,038,935.16/x
  3. Step 3: Cross multiply
    18,187,695x = 25,099,021.26 × 10,038,935.16
  4. Step 4: Simplify right side
    18,187,695x = 251,967,447,008,601.53
  5. Step 5: Solve for x
    x = 251,967,447,008,601.53/18,187,695
  6. Step 6: Final answer
    x = 13,853,731.71

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1.5x scale

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.