Home / 20,182,752.54-27,847,942.71-12,837,915.42

Finding the Fourth Proportional to 20,182,752.54, 27,847,942.71 and 12,837,915.42

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Solution

The fourth proportional to 20,182,752.54, 27,847,942.71 and 12,837,915.42 is: 17,713,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182,752.54 : 27,847,942.71 = 12,837,915.42 : x
  2. Step 2: Convert to fraction form
    20,182,752.54/27,847,942.71 = 12,837,915.42/x
  3. Step 3: Cross multiply
    20,182,752.54x = 27,847,942.71 × 12,837,915.42
  4. Step 4: Simplify right side
    20,182,752.54x = 357,509,533,131,985.62
  5. Step 5: Solve for x
    x = 357,509,533,131,985.62/20,182,752.54
  6. Step 6: Final answer
    x = 17,713,616.24

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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.