Finding the Fourth Proportional to 21,101,708.37, 29,119,731.98 and 11,682,919.02
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Solution
The fourth proportional to 21,101,708.37, 29,119,731.98 and 11,682,919.02 is: 16,122,081.90
Step by Step Solution
- Step 1: Write the proportion equation
21,101,708.37 : 29,119,731.98 = 11,682,919.02 : x - Step 2: Convert to fraction form
21,101,708.37/29,119,731.98 = 11,682,919.02/x - Step 3: Cross multiply
21,101,708.37x = 29,119,731.98 × 11,682,919.02 - Step 4: Simplify right side
21,101,708.37x = 340,203,470,548,029.69 - Step 5: Solve for x
x = 340,203,470,548,029.69/21,101,708.37 - Step 6: Final answer
x = 16,122,081.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.