Home / 15,340,480.93-21,261,288.82-15,053,502.79

Finding the Fourth Proportional to 15,340,480.93, 21,261,288.82 and 15,053,502.79

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Solution

The fourth proportional to 15,340,480.93, 21,261,288.82 and 15,053,502.79 is: 20,863,548.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340,480.93 : 21,261,288.82 = 15,053,502.79 : x
  2. Step 2: Convert to fraction form
    15,340,480.93/21,261,288.82 = 15,053,502.79/x
  3. Step 3: Cross multiply
    15,340,480.93x = 21,261,288.82 × 15,053,502.79
  4. Step 4: Simplify right side
    15,340,480.93x = 320,056,870,570,865.81
  5. Step 5: Solve for x
    x = 320,056,870,570,865.81/15,340,480.93
  6. Step 6: Final answer
    x = 20,863,548.67

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.