Home / 21,365,480.72-32,048,261.18-5,191,445.67

Finding the Fourth Proportional to 21,365,480.72, 32,048,261.18 and 5,191,445.67

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Solution

The fourth proportional to 21,365,480.72, 32,048,261.18 and 5,191,445.67 is: 7,787,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,365,480.72 : 32,048,261.18 = 5,191,445.67 : x
  2. Step 2: Convert to fraction form
    21,365,480.72/32,048,261.18 = 5,191,445.67/x
  3. Step 3: Cross multiply
    21,365,480.72x = 32,048,261.18 × 5,191,445.67
  4. Step 4: Simplify right side
    21,365,480.72x = 166,376,806,707,982.88
  5. Step 5: Solve for x
    x = 166,376,806,707,982.88/21,365,480.72
  6. Step 6: Final answer
    x = 7,787,178.25

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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.