Home / 20,268,527.36-27,971,020.32-11,566,526.72

Finding the Fourth Proportional to 20,268,527.36, 27,971,020.32 and 11,566,526.72

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Solution

The fourth proportional to 20,268,527.36, 27,971,020.32 and 11,566,526.72 is: 15,962,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268,527.36 : 27,971,020.32 = 11,566,526.72 : x
  2. Step 2: Convert to fraction form
    20,268,527.36/27,971,020.32 = 11,566,526.72/x
  3. Step 3: Cross multiply
    20,268,527.36x = 27,971,020.32 × 11,566,526.72
  4. Step 4: Simplify right side
    20,268,527.36x = 323,527,553,916,943
  5. Step 5: Solve for x
    x = 323,527,553,916,943/20,268,527.36
  6. Step 6: Final answer
    x = 15,962,065.14

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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.