Home / 43,490,556.90-65,219,246.55-13,188,348.90

Finding the Fourth Proportional to 43,490,556.90, 65,219,246.55 and 13,188,348.90

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Solution

The fourth proportional to 43,490,556.90, 65,219,246.55 and 13,188,348.90 is: 19,777,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490,556.90 : 65,219,246.55 = 13,188,348.90 : x
  2. Step 2: Convert to fraction form
    43,490,556.90/65,219,246.55 = 13,188,348.90/x
  3. Step 3: Cross multiply
    43,490,556.90x = 65,219,246.55 × 13,188,348.90
  4. Step 4: Simplify right side
    43,490,556.90x = 860,134,178,496,521.25
  5. Step 5: Solve for x
    x = 860,134,178,496,521.25/43,490,556.90
  6. Step 6: Final answer
    x = 19,777,492.86

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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.