Home / 19,581,945.41-29,362,781.07-8,789,953.34

Finding the Fourth Proportional to 19,581,945.41, 29,362,781.07 and 8,789,953.34

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Solution

The fourth proportional to 19,581,945.41, 29,362,781.07 and 8,789,953.34 is: 13,180,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581,945.41 : 29,362,781.07 = 8,789,953.34 : x
  2. Step 2: Convert to fraction form
    19,581,945.41/29,362,781.07 = 8,789,953.34/x
  3. Step 3: Cross multiply
    19,581,945.41x = 29,362,781.07 × 8,789,953.34
  4. Step 4: Simplify right side
    19,581,945.41x = 258,097,475,611,342.22
  5. Step 5: Solve for x
    x = 258,097,475,611,342.22/19,581,945.41
  6. Step 6: Final answer
    x = 13,180,379.69

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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.