Home / 20,268,528.36-27,971,021.70-11,566,527.72

Finding the Fourth Proportional to 20,268,528.36, 27,971,021.70 and 11,566,527.72

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Solution

The fourth proportional to 20,268,528.36, 27,971,021.70 and 11,566,527.72 is: 15,962,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268,528.36 : 27,971,021.70 = 11,566,527.72 : x
  2. Step 2: Convert to fraction form
    20,268,528.36/27,971,021.70 = 11,566,527.72/x
  3. Step 3: Cross multiply
    20,268,528.36x = 27,971,021.70 × 11,566,527.72
  4. Step 4: Simplify right side
    20,268,528.36x = 323,527,597,849,771.56
  5. Step 5: Solve for x
    x = 323,527,597,849,771.56/20,268,528.36
  6. Step 6: Final answer
    x = 15,962,066.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.