Home / 14,040,231.72-21,071,329.56-7,216,529.28

Finding the Fourth Proportional to 14,040,231.72, 21,071,329.56 and 7,216,529.28

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Solution

The fourth proportional to 14,040,231.72, 21,071,329.56 and 7,216,529.28 is: 10,830,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040,231.72 : 21,071,329.56 = 7,216,529.28 : x
  2. Step 2: Convert to fraction form
    14,040,231.72/21,071,329.56 = 7,216,529.28/x
  3. Step 3: Cross multiply
    14,040,231.72x = 21,071,329.56 × 7,216,529.28
  4. Step 4: Simplify right side
    14,040,231.72x = 152,061,866,738,269.50
  5. Step 5: Solve for x
    x = 152,061,866,738,269.50/14,040,231.72
  6. Step 6: Final answer
    x = 10,830,438.54

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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.