Home / 20,649,024.69-30,945,635.52-7,862,554.23

Finding the Fourth Proportional to 20,649,024.69, 30,945,635.52 and 7,862,554.23

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Solution

The fourth proportional to 20,649,024.69, 30,945,635.52 and 7,862,554.23 is: 11,783,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649,024.69 : 30,945,635.52 = 7,862,554.23 : x
  2. Step 2: Convert to fraction form
    20,649,024.69/30,945,635.52 = 7,862,554.23/x
  3. Step 3: Cross multiply
    20,649,024.69x = 30,945,635.52 × 7,862,554.23
  4. Step 4: Simplify right side
    20,649,024.69x = 243,311,737,457,814.25
  5. Step 5: Solve for x
    x = 243,311,737,457,814.25/20,649,024.69
  6. Step 6: Final answer
    x = 11,783,207.25

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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.