Home / 19,897,788.44-29,844,968.16-12,114,685.28

Finding the Fourth Proportional to 19,897,788.44, 29,844,968.16 and 12,114,685.28

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Solution

The fourth proportional to 19,897,788.44, 29,844,968.16 and 12,114,685.28 is: 18,170,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897,788.44 : 29,844,968.16 = 12,114,685.28 : x
  2. Step 2: Convert to fraction form
    19,897,788.44/29,844,968.16 = 12,114,685.28/x
  3. Step 3: Cross multiply
    19,897,788.44x = 29,844,968.16 × 12,114,685.28
  4. Step 4: Simplify right side
    19,897,788.44x = 361,562,396,450,020.69
  5. Step 5: Solve for x
    x = 361,562,396,450,020.69/19,897,788.44
  6. Step 6: Final answer
    x = 18,170,984.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.