Home / 27,660,128.40-41,490,192.60-20,941,664.40

Finding the Fourth Proportional to 27,660,128.40, 41,490,192.60 and 20,941,664.40

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Solution

The fourth proportional to 27,660,128.40, 41,490,192.60 and 20,941,664.40 is: 31,412,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,660,128.40 : 41,490,192.60 = 20,941,664.40 : x
  2. Step 2: Convert to fraction form
    27,660,128.40/41,490,192.60 = 20,941,664.40/x
  3. Step 3: Cross multiply
    27,660,128.40x = 41,490,192.60 × 20,941,664.40
  4. Step 4: Simplify right side
    27,660,128.40x = 868,873,689,320,563.38
  5. Step 5: Solve for x
    x = 868,873,689,320,563.38/27,660,128.40
  6. Step 6: Final answer
    x = 31,412,496.60

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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.