Home / 21,509,534.83-29,682,784.34-11,720,059.46

Finding the Fourth Proportional to 21,509,534.83, 29,682,784.34 and 11,720,059.46

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Solution

The fourth proportional to 21,509,534.83, 29,682,784.34 and 11,720,059.46 is: 16,173,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509,534.83 : 29,682,784.34 = 11,720,059.46 : x
  2. Step 2: Convert to fraction form
    21,509,534.83/29,682,784.34 = 11,720,059.46/x
  3. Step 3: Cross multiply
    21,509,534.83x = 29,682,784.34 × 11,720,059.46
  4. Step 4: Simplify right side
    21,509,534.83x = 347,883,997,462,713.75
  5. Step 5: Solve for x
    x = 347,883,997,462,713.75/21,509,534.83
  6. Step 6: Final answer
    x = 16,173,478.42

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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.