Home / 18,485,434.07-27,730,673.24-7,700,212.64

Finding the Fourth Proportional to 18,485,434.07, 27,730,673.24 and 7,700,212.64

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Solution

The fourth proportional to 18,485,434.07, 27,730,673.24 and 7,700,212.64 is: 11,551,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485,434.07 : 27,730,673.24 = 7,700,212.64 : x
  2. Step 2: Convert to fraction form
    18,485,434.07/27,730,673.24 = 7,700,212.64/x
  3. Step 3: Cross multiply
    18,485,434.07x = 27,730,673.24 × 7,700,212.64
  4. Step 4: Simplify right side
    18,485,434.07x = 213,532,080,516,512.03
  5. Step 5: Solve for x
    x = 213,532,080,516,512.03/18,485,434.07
  6. Step 6: Final answer
    x = 11,551,369.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.