Home / 21,283,090.20-29,370,664.20-11,493,534.12

Finding the Fourth Proportional to 21,283,090.20, 29,370,664.20 and 11,493,534.12

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Solution

The fourth proportional to 21,283,090.20, 29,370,664.20 and 11,493,534.12 is: 15,861,076.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283,090.20 : 29,370,664.20 = 11,493,534.12 : x
  2. Step 2: Convert to fraction form
    21,283,090.20/29,370,664.20 = 11,493,534.12/x
  3. Step 3: Cross multiply
    21,283,090.20x = 29,370,664.20 × 11,493,534.12
  4. Step 4: Simplify right side
    21,283,090.20x = 337,572,731,109,762.50
  5. Step 5: Solve for x
    x = 337,572,731,109,762.50/21,283,090.20
  6. Step 6: Final answer
    x = 15,861,076.94

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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.