Home / 39,085,689.69-58,590,408.97-18,609,907.65

Finding the Fourth Proportional to 39,085,689.69, 58,590,408.97 and 18,609,907.65

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Solution

The fourth proportional to 39,085,689.69, 58,590,408.97 and 18,609,907.65 is: 27,896,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,085,689.69 : 58,590,408.97 = 18,609,907.65 : x
  2. Step 2: Convert to fraction form
    39,085,689.69/58,590,408.97 = 18,609,907.65/x
  3. Step 3: Cross multiply
    39,085,689.69x = 58,590,408.97 × 18,609,907.65
  4. Step 4: Simplify right side
    39,085,689.69x = 1,090,362,100,014,382
  5. Step 5: Solve for x
    x = 1,090,362,100,014,382/39,085,689.69
  6. Step 6: Final answer
    x = 27,896,708.71

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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.