Home / 13,872,764.72-20,808,756.84-3,775,473.20

Finding the Fourth Proportional to 13,872,764.72, 20,808,756.84 and 3,775,473.20

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Solution

The fourth proportional to 13,872,764.72, 20,808,756.84 and 3,775,473.20 is: 5,663,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,764.72 : 20,808,756.84 = 3,775,473.20 : x
  2. Step 2: Convert to fraction form
    13,872,764.72/20,808,756.84 = 3,775,473.20/x
  3. Step 3: Cross multiply
    13,872,764.72x = 20,808,756.84 × 3,775,473.20
  4. Step 4: Simplify right side
    13,872,764.72x = 78,562,903,774,736.69
  5. Step 5: Solve for x
    x = 78,562,903,774,736.69/13,872,764.72
  6. Step 6: Final answer
    x = 5,663,103.60

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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.