Home / 20,268,526.36-27,971,018.94-11,566,525.72

Finding the Fourth Proportional to 20,268,526.36, 27,971,018.94 and 11,566,525.72

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Solution

The fourth proportional to 20,268,526.36, 27,971,018.94 and 11,566,525.72 is: 15,962,063.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268,526.36 : 27,971,018.94 = 11,566,525.72 : x
  2. Step 2: Convert to fraction form
    20,268,526.36/27,971,018.94 = 11,566,525.72/x
  3. Step 3: Cross multiply
    20,268,526.36x = 27,971,018.94 × 11,566,525.72
  4. Step 4: Simplify right side
    20,268,526.36x = 323,527,509,984,117.19
  5. Step 5: Solve for x
    x = 323,527,509,984,117.19/20,268,526.36
  6. Step 6: Final answer
    x = 15,962,063.76

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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.