Home / 14,339,930.40-21,509,895.60-13,206,189.60

Finding the Fourth Proportional to 14,339,930.40, 21,509,895.60 and 13,206,189.60

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Solution

The fourth proportional to 14,339,930.40, 21,509,895.60 and 13,206,189.60 is: 19,809,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,930.40 : 21,509,895.60 = 13,206,189.60 : x
  2. Step 2: Convert to fraction form
    14,339,930.40/21,509,895.60 = 13,206,189.60/x
  3. Step 3: Cross multiply
    14,339,930.40x = 21,509,895.60 × 13,206,189.60
  4. Step 4: Simplify right side
    14,339,930.40x = 284,063,759,569,805.75
  5. Step 5: Solve for x
    x = 284,063,759,569,805.75/14,339,930.40
  6. Step 6: Final answer
    x = 19,809,284.40

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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.