Finding the Fourth Proportional to 14,773,448.92, 20,239,530.62 and 14,220,990.63
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Solution
The fourth proportional to 14,773,448.92, 20,239,530.62 and 14,220,990.63 is: 19,482,666.29
Step by Step Solution
- Step 1: Write the proportion equation
14,773,448.92 : 20,239,530.62 = 14,220,990.63 : x - Step 2: Convert to fraction form
14,773,448.92/20,239,530.62 = 14,220,990.63/x - Step 3: Cross multiply
14,773,448.92x = 20,239,530.62 × 14,220,990.63 - Step 4: Simplify right side
14,773,448.92x = 287,826,175,302,618.12 - Step 5: Solve for x
x = 287,826,175,302,618.12/14,773,448.92 - Step 6: Final answer
x = 19,482,666.29
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.