Home / 39,085,689.75-58,590,409.06-18,609,907.71

Finding the Fourth Proportional to 39,085,689.75, 58,590,409.06 and 18,609,907.71

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Solution

The fourth proportional to 39,085,689.75, 58,590,409.06 and 18,609,907.71 is: 27,896,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,085,689.75 : 58,590,409.06 = 18,609,907.71 : x
  2. Step 2: Convert to fraction form
    39,085,689.75/58,590,409.06 = 18,609,907.71/x
  3. Step 3: Cross multiply
    39,085,689.75x = 58,590,409.06 × 18,609,907.71
  4. Step 4: Simplify right side
    39,085,689.75x = 1,090,362,105,540,724.38
  5. Step 5: Solve for x
    x = 1,090,362,105,540,724.38/39,085,689.75
  6. Step 6: Final answer
    x = 27,896,708.81

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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.