Home / 20,310,701.58-28,028,767.86-11,609,061.03

Finding the Fourth Proportional to 20,310,701.58, 28,028,767.86 and 11,609,061.03

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Solution

The fourth proportional to 20,310,701.58, 28,028,767.86 and 11,609,061.03 is: 16,020,504.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310,701.58 : 28,028,767.86 = 11,609,061.03 : x
  2. Step 2: Convert to fraction form
    20,310,701.58/28,028,767.86 = 11,609,061.03/x
  3. Step 3: Cross multiply
    20,310,701.58x = 28,028,767.86 × 11,609,061.03
  4. Step 4: Simplify right side
    20,310,701.58x = 325,387,676,682,442.50
  5. Step 5: Solve for x
    x = 325,387,676,682,442.50/20,310,701.58
  6. Step 6: Final answer
    x = 16,020,504.04

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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.