Home / 18,528,036.20-27,792,054.30-6,561,981.80

Finding the Fourth Proportional to 18,528,036.20, 27,792,054.30 and 6,561,981.80

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Solution

The fourth proportional to 18,528,036.20, 27,792,054.30 and 6,561,981.80 is: 9,842,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,036.20 : 27,792,054.30 = 6,561,981.80 : x
  2. Step 2: Convert to fraction form
    18,528,036.20/27,792,054.30 = 6,561,981.80/x
  3. Step 3: Cross multiply
    18,528,036.20x = 27,792,054.30 × 6,561,981.80
  4. Step 4: Simplify right side
    18,528,036.20x = 182,370,954,501,211.75
  5. Step 5: Solve for x
    x = 182,370,954,501,211.75/18,528,036.20
  6. Step 6: Final answer
    x = 9,842,972.70

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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.