Home / 21,559,941.80-32,339,912.70-13,907,191.40

Finding the Fourth Proportional to 21,559,941.80, 32,339,912.70 and 13,907,191.40

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Solution

The fourth proportional to 21,559,941.80, 32,339,912.70 and 13,907,191.40 is: 20,860,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,941.80 : 32,339,912.70 = 13,907,191.40 : x
  2. Step 2: Convert to fraction form
    21,559,941.80/32,339,912.70 = 13,907,191.40/x
  3. Step 3: Cross multiply
    21,559,941.80x = 32,339,912.70 × 13,907,191.40
  4. Step 4: Simplify right side
    21,559,941.80x = 449,757,355,778,190.81
  5. Step 5: Solve for x
    x = 449,757,355,778,190.81/21,559,941.80
  6. Step 6: Final answer
    x = 20,860,787.10

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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.