Home / 13,715,961.75-20,533,582.76-9,155,699.42

Finding the Fourth Proportional to 13,715,961.75, 20,533,582.76 and 9,155,699.42

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Solution

The fourth proportional to 13,715,961.75, 20,533,582.76 and 9,155,699.42 is: 13,706,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715,961.75 : 20,533,582.76 = 9,155,699.42 : x
  2. Step 2: Convert to fraction form
    13,715,961.75/20,533,582.76 = 9,155,699.42/x
  3. Step 3: Cross multiply
    13,715,961.75x = 20,533,582.76 × 9,155,699.42
  4. Step 4: Simplify right side
    13,715,961.75x = 187,999,311,617,807.56
  5. Step 5: Solve for x
    x = 187,999,311,617,807.56/13,715,961.75
  6. Step 6: Final answer
    x = 13,706,608.04

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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.