Home / 13,763,938.89-20,644,574.22-4,179,401.67

Finding the Fourth Proportional to 13,763,938.89, 20,644,574.22 and 4,179,401.67

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Solution

The fourth proportional to 13,763,938.89, 20,644,574.22 and 4,179,401.67 is: 6,268,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,938.89 : 20,644,574.22 = 4,179,401.67 : x
  2. Step 2: Convert to fraction form
    13,763,938.89/20,644,574.22 = 4,179,401.67/x
  3. Step 3: Cross multiply
    13,763,938.89x = 20,644,574.22 × 4,179,401.67
  4. Step 4: Simplify right side
    13,763,938.89x = 86,281,967,971,506.94
  5. Step 5: Solve for x
    x = 86,281,967,971,506.94/13,763,938.89
  6. Step 6: Final answer
    x = 6,268,697.40

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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.