Home / 21,333,539.07-29,440,419.84-12,511,191.54

Finding the Fourth Proportional to 21,333,539.07, 29,440,419.84 and 12,511,191.54

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Solution

The fourth proportional to 21,333,539.07, 29,440,419.84 and 12,511,191.54 is: 17,265,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333,539.07 : 29,440,419.84 = 12,511,191.54 : x
  2. Step 2: Convert to fraction form
    21,333,539.07/29,440,419.84 = 12,511,191.54/x
  3. Step 3: Cross multiply
    21,333,539.07x = 29,440,419.84 × 12,511,191.54
  4. Step 4: Simplify right side
    21,333,539.07x = 368,334,731,636,256.12
  5. Step 5: Solve for x
    x = 368,334,731,636,256.12/21,333,539.07
  6. Step 6: Final answer
    x = 17,265,524.04

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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.