Finding the Fourth Proportional to 14,490,235.94, 19,988,538.08 and 11,769,258.02
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Solution
The fourth proportional to 14,490,235.94, 19,988,538.08 and 11,769,258.02 is: 16,235,088.45
Step by Step Solution
- Step 1: Write the proportion equation
14,490,235.94 : 19,988,538.08 = 11,769,258.02 : x - Step 2: Convert to fraction form
14,490,235.94/19,988,538.08 = 11,769,258.02/x - Step 3: Cross multiply
14,490,235.94x = 19,988,538.08 × 11,769,258.02 - Step 4: Simplify right side
14,490,235.94x = 235,250,262,106,115.38 - Step 5: Solve for x
x = 235,250,262,106,115.38/14,490,235.94 - Step 6: Final answer
x = 16,235,088.45
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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.