Home / 13,285,512.15-19,928,268.23-12,151,771.35

Finding the Fourth Proportional to 13,285,512.15, 19,928,268.23 and 12,151,771.35

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Solution

The fourth proportional to 13,285,512.15, 19,928,268.23 and 12,151,771.35 is: 18,227,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,512.15 : 19,928,268.23 = 12,151,771.35 : x
  2. Step 2: Convert to fraction form
    13,285,512.15/19,928,268.23 = 12,151,771.35/x
  3. Step 3: Cross multiply
    13,285,512.15x = 19,928,268.23 × 12,151,771.35
  4. Step 4: Simplify right side
    13,285,512.15x = 242,163,758,871,670.38
  5. Step 5: Solve for x
    x = 242,163,758,871,670.38/13,285,512.15
  6. Step 6: Final answer
    x = 18,227,657.03

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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.