Home / 27,783,986.40-41,594,878.80-19,821,362.40

Finding the Fourth Proportional to 27,783,986.40, 41,594,878.80 and 19,821,362.40

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Solution

The fourth proportional to 27,783,986.40, 41,594,878.80 and 19,821,362.40 is: 29,674,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,783,986.40 : 41,594,878.80 = 19,821,362.40 : x
  2. Step 2: Convert to fraction form
    27,783,986.40/41,594,878.80 = 19,821,362.40/x
  3. Step 3: Cross multiply
    27,783,986.40x = 41,594,878.80 × 19,821,362.40
  4. Step 4: Simplify right side
    27,783,986.40x = 824,467,166,678,877
  5. Step 5: Solve for x
    x = 824,467,166,678,877/27,783,986.40
  6. Step 6: Final answer
    x = 29,674,185.51

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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.