Home / 57,628,916.69-86,449,430.61-18,770,394.65

Finding the Fourth Proportional to 57,628,916.69, 86,449,430.61 and 18,770,394.65

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Solution

The fourth proportional to 57,628,916.69, 86,449,430.61 and 18,770,394.65 is: 28,157,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,628,916.69 : 86,449,430.61 = 18,770,394.65 : x
  2. Step 2: Convert to fraction form
    57,628,916.69/86,449,430.61 = 18,770,394.65/x
  3. Step 3: Cross multiply
    57,628,916.69x = 86,449,430.61 × 18,770,394.65
  4. Step 4: Simplify right side
    57,628,916.69x = 1,622,689,929,385,243
  5. Step 5: Solve for x
    x = 1,622,689,929,385,243/57,628,916.69
  6. Step 6: Final answer
    x = 28,157,564.34

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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.