Home / 21,333,541.07-29,440,422.60-12,511,193.54

Finding the Fourth Proportional to 21,333,541.07, 29,440,422.60 and 12,511,193.54

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Solution

The fourth proportional to 21,333,541.07, 29,440,422.60 and 12,511,193.54 is: 17,265,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333,541.07 : 29,440,422.60 = 12,511,193.54 : x
  2. Step 2: Convert to fraction form
    21,333,541.07/29,440,422.60 = 12,511,193.54/x
  3. Step 3: Cross multiply
    21,333,541.07x = 29,440,422.60 × 12,511,193.54
  4. Step 4: Simplify right side
    21,333,541.07x = 368,334,825,047,990
  5. Step 5: Solve for x
    x = 368,334,825,047,990/21,333,541.07
  6. Step 6: Final answer
    x = 17,265,526.80

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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.