Home / 20,351,830.84-28,085,701.67-11,059,399.06

Finding the Fourth Proportional to 20,351,830.84, 28,085,701.67 and 11,059,399.06

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Solution

The fourth proportional to 20,351,830.84, 28,085,701.67 and 11,059,399.06 is: 15,262,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,830.84 : 28,085,701.67 = 11,059,399.06 : x
  2. Step 2: Convert to fraction form
    20,351,830.84/28,085,701.67 = 11,059,399.06/x
  3. Step 3: Cross multiply
    20,351,830.84x = 28,085,701.67 × 11,059,399.06
  4. Step 4: Simplify right side
    20,351,830.84x = 310,610,982,648,638.44
  5. Step 5: Solve for x
    x = 310,610,982,648,638.44/20,351,830.84
  6. Step 6: Final answer
    x = 15,262,065.86

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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.