Home / 31,186,434.72-46,782,860.76-11,772,013.44

Finding the Fourth Proportional to 31,186,434.72, 46,782,860.76 and 11,772,013.44

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Solution

The fourth proportional to 31,186,434.72, 46,782,860.76 and 11,772,013.44 is: 17,659,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186,434.72 : 46,782,860.76 = 11,772,013.44 : x
  2. Step 2: Convert to fraction form
    31,186,434.72/46,782,860.76 = 11,772,013.44/x
  3. Step 3: Cross multiply
    31,186,434.72x = 46,782,860.76 × 11,772,013.44
  4. Step 4: Simplify right side
    31,186,434.72x = 550,728,465,628,368.56
  5. Step 5: Solve for x
    x = 550,728,465,628,368.56/31,186,434.72
  6. Step 6: Final answer
    x = 17,659,231.35

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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.