Home / 20,271,586.34-27,975,240.88-11,569,584.42

Finding the Fourth Proportional to 20,271,586.34, 27,975,240.88 and 11,569,584.42

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Solution

The fourth proportional to 20,271,586.34, 27,975,240.88 and 11,569,584.42 is: 15,966,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,271,586.34 : 27,975,240.88 = 11,569,584.42 : x
  2. Step 2: Convert to fraction form
    20,271,586.34/27,975,240.88 = 11,569,584.42/x
  3. Step 3: Cross multiply
    20,271,586.34x = 27,975,240.88 × 11,569,584.42
  4. Step 4: Simplify right side
    20,271,586.34x = 323,661,911,002,071.12
  5. Step 5: Solve for x
    x = 323,661,911,002,071.12/20,271,586.34
  6. Step 6: Final answer
    x = 15,966,284.31

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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.