Home / 14,339,963.90-21,509,945.85-13,206,223.10

Finding the Fourth Proportional to 14,339,963.90, 21,509,945.85 and 13,206,223.10

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Solution

The fourth proportional to 14,339,963.90, 21,509,945.85 and 13,206,223.10 is: 19,809,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,963.90 : 21,509,945.85 = 13,206,223.10 : x
  2. Step 2: Convert to fraction form
    14,339,963.90/21,509,945.85 = 13,206,223.10/x
  3. Step 3: Cross multiply
    14,339,963.90x = 21,509,945.85 × 13,206,223.10
  4. Step 4: Simplify right side
    14,339,963.90x = 284,065,143,764,019.12
  5. Step 5: Solve for x
    x = 284,065,143,764,019.12/14,339,963.90
  6. Step 6: Final answer
    x = 19,809,334.65

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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.