Home / 19,945,071.68-27,518,064-12,202,041.92

Finding the Fourth Proportional to 19,945,071.68, 27,518,064 and 12,202,041.92

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Solution

The fourth proportional to 19,945,071.68, 27,518,064 and 12,202,041.92 is: 16,835,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945,071.68 : 27,518,064 = 12,202,041.92 : x
  2. Step 2: Convert to fraction form
    19,945,071.68/27,518,064 = 12,202,041.92/x
  3. Step 3: Cross multiply
    19,945,071.68x = 27,518,064 × 12,202,041.92
  4. Step 4: Simplify right side
    19,945,071.68x = 335,776,570,485,242.88
  5. Step 5: Solve for x
    x = 335,776,570,485,242.88/19,945,071.68
  6. Step 6: Final answer
    x = 16,835,064.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.