Home / 21,870,058.40-32,805,087.60-21,551,193.80

Finding the Fourth Proportional to 21,870,058.40, 32,805,087.60 and 21,551,193.80

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Solution

The fourth proportional to 21,870,058.40, 32,805,087.60 and 21,551,193.80 is: 32,326,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,058.40 : 32,805,087.60 = 21,551,193.80 : x
  2. Step 2: Convert to fraction form
    21,870,058.40/32,805,087.60 = 21,551,193.80/x
  3. Step 3: Cross multiply
    21,870,058.40x = 32,805,087.60 × 21,551,193.80
  4. Step 4: Simplify right side
    21,870,058.40x = 706,988,800,493,576.88
  5. Step 5: Solve for x
    x = 706,988,800,493,576.88/21,870,058.40
  6. Step 6: Final answer
    x = 32,326,790.70

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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.