Finding the Fourth Proportional to 11,828,133.80, 16,322,458.39 and 6,671,421.08
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Solution
The fourth proportional to 11,828,133.80, 16,322,458.39 and 6,671,421.08 is: 9,206,354.51
Step by Step Solution
- Step 1: Write the proportion equation
11,828,133.80 : 16,322,458.39 = 6,671,421.08 : x - Step 2: Convert to fraction form
11,828,133.80/16,322,458.39 = 6,671,421.08/x - Step 3: Cross multiply
11,828,133.80x = 16,322,458.39 × 6,671,421.08 - Step 4: Simplify right side
11,828,133.80x = 108,893,992,882,178.02 - Step 5: Solve for x
x = 108,893,992,882,178.02/11,828,133.80 - Step 6: Final answer
x = 9,206,354.51
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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.