Home / 21,778,534.70-32,683,548.45-12,183,728.30

Finding the Fourth Proportional to 21,778,534.70, 32,683,548.45 and 12,183,728.30

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Solution

The fourth proportional to 21,778,534.70, 32,683,548.45 and 12,183,728.30 is: 18,284,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,778,534.70 : 32,683,548.45 = 12,183,728.30 : x
  2. Step 2: Convert to fraction form
    21,778,534.70/32,683,548.45 = 12,183,728.30/x
  3. Step 3: Cross multiply
    21,778,534.70x = 32,683,548.45 × 12,183,728.30
  4. Step 4: Simplify right side
    21,778,534.70x = 398,207,474,194,686.12
  5. Step 5: Solve for x
    x = 398,207,474,194,686.12/21,778,534.70
  6. Step 6: Final answer
    x = 18,284,401.58

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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.