Home / 19,171,989.90-28,757,984.85-14,888,969.10

Finding the Fourth Proportional to 19,171,989.90, 28,757,984.85 and 14,888,969.10

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Solution

The fourth proportional to 19,171,989.90, 28,757,984.85 and 14,888,969.10 is: 22,333,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171,989.90 : 28,757,984.85 = 14,888,969.10 : x
  2. Step 2: Convert to fraction form
    19,171,989.90/28,757,984.85 = 14,888,969.10/x
  3. Step 3: Cross multiply
    19,171,989.90x = 28,757,984.85 × 14,888,969.10
  4. Step 4: Simplify right side
    19,171,989.90x = 428,176,747,809,918.12
  5. Step 5: Solve for x
    x = 428,176,747,809,918.12/19,171,989.90
  6. Step 6: Final answer
    x = 22,333,453.65

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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.