Home / 21,943,921.80-32,822,570.70-19,685,771.40

Finding the Fourth Proportional to 21,943,921.80, 32,822,570.70 and 19,685,771.40

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Solution

The fourth proportional to 21,943,921.80, 32,822,570.70 and 19,685,771.40 is: 29,444,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943,921.80 : 32,822,570.70 = 19,685,771.40 : x
  2. Step 2: Convert to fraction form
    21,943,921.80/32,822,570.70 = 19,685,771.40/x
  3. Step 3: Cross multiply
    21,943,921.80x = 32,822,570.70 × 19,685,771.40
  4. Step 4: Simplify right side
    21,943,921.80x = 646,137,623,560,537.88
  5. Step 5: Solve for x
    x = 646,137,623,560,537.88/21,943,921.80
  6. Step 6: Final answer
    x = 29,444,947.42

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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.