Home / 20,504,038.84-28,295,621.94-11,212,211.32

Finding the Fourth Proportional to 20,504,038.84, 28,295,621.94 and 11,212,211.32

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Solution

The fourth proportional to 20,504,038.84, 28,295,621.94 and 11,212,211.32 is: 15,472,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504,038.84 : 28,295,621.94 = 11,212,211.32 : x
  2. Step 2: Convert to fraction form
    20,504,038.84/28,295,621.94 = 11,212,211.32/x
  3. Step 3: Cross multiply
    20,504,038.84x = 28,295,621.94 × 11,212,211.32
  4. Step 4: Simplify right side
    20,504,038.84x = 317,256,492,622,108.38
  5. Step 5: Solve for x
    x = 317,256,492,622,108.38/20,504,038.84
  6. Step 6: Final answer
    x = 15,472,878.06

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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.