Home / 27,194,858.80-40,792,288.20-21,030,143.20

Finding the Fourth Proportional to 27,194,858.80, 40,792,288.20 and 21,030,143.20

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Solution

The fourth proportional to 27,194,858.80, 40,792,288.20 and 21,030,143.20 is: 31,545,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,194,858.80 : 40,792,288.20 = 21,030,143.20 : x
  2. Step 2: Convert to fraction form
    27,194,858.80/40,792,288.20 = 21,030,143.20/x
  3. Step 3: Cross multiply
    27,194,858.80x = 40,792,288.20 × 21,030,143.20
  4. Step 4: Simplify right side
    27,194,858.80x = 857,867,662,301,670.25
  5. Step 5: Solve for x
    x = 857,867,662,301,670.25/27,194,858.80
  6. Step 6: Final answer
    x = 31,545,214.80

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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.