Home / 13,438,349.46-20,157,597.99-3,340,970.46

Finding the Fourth Proportional to 13,438,349.46, 20,157,597.99 and 3,340,970.46

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Solution

The fourth proportional to 13,438,349.46, 20,157,597.99 and 3,340,970.46 is: 5,011,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,349.46 : 20,157,597.99 = 3,340,970.46 : x
  2. Step 2: Convert to fraction form
    13,438,349.46/20,157,597.99 = 3,340,970.46/x
  3. Step 3: Cross multiply
    13,438,349.46x = 20,157,597.99 × 3,340,970.46
  4. Step 4: Simplify right side
    13,438,349.46x = 67,345,939,429,145.37
  5. Step 5: Solve for x
    x = 67,345,939,429,145.37/13,438,349.46
  6. Step 6: Final answer
    x = 5,011,474.04

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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.