Home / 20,609,595.99-28,440,132.14-11,441,648.25

Finding the Fourth Proportional to 20,609,595.99, 28,440,132.14 and 11,441,648.25

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Solution

The fourth proportional to 20,609,595.99, 28,440,132.14 and 11,441,648.25 is: 15,788,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609,595.99 : 28,440,132.14 = 11,441,648.25 : x
  2. Step 2: Convert to fraction form
    20,609,595.99/28,440,132.14 = 11,441,648.25/x
  3. Step 3: Cross multiply
    20,609,595.99x = 28,440,132.14 × 11,441,648.25
  4. Step 4: Simplify right side
    20,609,595.99x = 325,401,988,158,003.88
  5. Step 5: Solve for x
    x = 325,401,988,158,003.88/20,609,595.99
  6. Step 6: Final answer
    x = 15,788,858.18

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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.