Home / 21,160,311.01-29,201,549.15-11,869,940.48

Finding the Fourth Proportional to 21,160,311.01, 29,201,549.15 and 11,869,940.48

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Solution

The fourth proportional to 21,160,311.01, 29,201,549.15 and 11,869,940.48 is: 16,380,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160,311.01 : 29,201,549.15 = 11,869,940.48 : x
  2. Step 2: Convert to fraction form
    21,160,311.01/29,201,549.15 = 11,869,940.48/x
  3. Step 3: Cross multiply
    21,160,311.01x = 29,201,549.15 × 11,869,940.48
  4. Step 4: Simplify right side
    21,160,311.01x = 346,620,650,334,294.56
  5. Step 5: Solve for x
    x = 346,620,650,334,294.56/21,160,311.01
  6. Step 6: Final answer
    x = 16,380,697.34

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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.