Finding the Fourth Proportional to 11,998,990.13, 16,558,595.69 and 6,773,098.31
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Solution
The fourth proportional to 11,998,990.13, 16,558,595.69 and 6,773,098.31 is: 9,346,869.63
Step by Step Solution
- Step 1: Write the proportion equation
11,998,990.13 : 16,558,595.69 = 6,773,098.31 : x - Step 2: Convert to fraction form
11,998,990.13/16,558,595.69 = 6,773,098.31/x - Step 3: Cross multiply
11,998,990.13x = 16,558,595.69 × 6,773,098.31 - Step 4: Simplify right side
11,998,990.13x = 112,152,996,450,046.80 - Step 5: Solve for x
x = 112,152,996,450,046.80/11,998,990.13 - Step 6: Final answer
x = 9,346,869.63
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1.5x scale
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.