Home / 22,428,036.55-33,642,054.83-18,840,809.80

Finding the Fourth Proportional to 22,428,036.55, 33,642,054.83 and 18,840,809.80

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Solution

The fourth proportional to 22,428,036.55, 33,642,054.83 and 18,840,809.80 is: 28,261,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,036.55 : 33,642,054.83 = 18,840,809.80 : x
  2. Step 2: Convert to fraction form
    22,428,036.55/33,642,054.83 = 18,840,809.80/x
  3. Step 3: Cross multiply
    22,428,036.55x = 33,642,054.83 × 18,840,809.80
  4. Step 4: Simplify right side
    22,428,036.55x = 633,843,556,333,201.38
  5. Step 5: Solve for x
    x = 633,843,556,333,201.38/22,428,036.55
  6. Step 6: Final answer
    x = 28,261,214.70

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1.5x scale

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.