Home / 31,200,808.26-46,710,145.71-18,207,141.42

Finding the Fourth Proportional to 31,200,808.26, 46,710,145.71 and 18,207,141.42

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Solution

The fourth proportional to 31,200,808.26, 46,710,145.71 and 18,207,141.42 is: 27,257,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200,808.26 : 46,710,145.71 = 18,207,141.42 : x
  2. Step 2: Convert to fraction form
    31,200,808.26/46,710,145.71 = 18,207,141.42/x
  3. Step 3: Cross multiply
    31,200,808.26x = 46,710,145.71 × 18,207,141.42
  4. Step 4: Simplify right side
    31,200,808.26x = 850,458,228,599,740.62
  5. Step 5: Solve for x
    x = 850,458,228,599,740.62/31,200,808.26
  6. Step 6: Final answer
    x = 27,257,570.43

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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.