Home / 13,527,643.79-20,291,181.39-3,292,560.67

Finding the Fourth Proportional to 13,527,643.79, 20,291,181.39 and 3,292,560.67

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Solution

The fourth proportional to 13,527,643.79, 20,291,181.39 and 3,292,560.67 is: 4,938,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527,643.79 : 20,291,181.39 = 3,292,560.67 : x
  2. Step 2: Convert to fraction form
    13,527,643.79/20,291,181.39 = 3,292,560.67/x
  3. Step 3: Cross multiply
    13,527,643.79x = 20,291,181.39 × 3,292,560.67
  4. Step 4: Simplify right side
    13,527,643.79x = 66,809,945,779,867.95
  5. Step 5: Solve for x
    x = 66,809,945,779,867.95/13,527,643.79
  6. Step 6: Final answer
    x = 4,938,771.81

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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.