Home / 21,860,496.90-32,790,745.35-9,074,420.10

Finding the Fourth Proportional to 21,860,496.90, 32,790,745.35 and 9,074,420.10

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Solution

The fourth proportional to 21,860,496.90, 32,790,745.35 and 9,074,420.10 is: 13,611,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,496.90 : 32,790,745.35 = 9,074,420.10 : x
  2. Step 2: Convert to fraction form
    21,860,496.90/32,790,745.35 = 9,074,420.10/x
  3. Step 3: Cross multiply
    21,860,496.90x = 32,790,745.35 × 9,074,420.10
  4. Step 4: Simplify right side
    21,860,496.90x = 297,556,998,698,021.56
  5. Step 5: Solve for x
    x = 297,556,998,698,021.56/21,860,496.90
  6. Step 6: Final answer
    x = 13,611,630.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.