Home / 21,863,625.40-32,795,438.10-7,485,412.60

Finding the Fourth Proportional to 21,863,625.40, 32,795,438.10 and 7,485,412.60

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Solution

The fourth proportional to 21,863,625.40, 32,795,438.10 and 7,485,412.60 is: 11,228,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,625.40 : 32,795,438.10 = 7,485,412.60 : x
  2. Step 2: Convert to fraction form
    21,863,625.40/32,795,438.10 = 7,485,412.60/x
  3. Step 3: Cross multiply
    21,863,625.40x = 32,795,438.10 × 7,485,412.60
  4. Step 4: Simplify right side
    21,863,625.40x = 245,487,385,576,260.06
  5. Step 5: Solve for x
    x = 245,487,385,576,260.06/21,863,625.40
  6. Step 6: Final answer
    x = 11,228,118.90

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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.