Finding the Fourth Proportional to 11,618,390.14, 17,411,641.80 and 7,350,918.94
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Solution
The fourth proportional to 11,618,390.14, 17,411,641.80 and 7,350,918.94 is: 11,016,291.06
Step by Step Solution
- Step 1: Write the proportion equation
11,618,390.14 : 17,411,641.80 = 7,350,918.94 : x - Step 2: Convert to fraction form
11,618,390.14/17,411,641.80 = 7,350,918.94/x - Step 3: Cross multiply
11,618,390.14x = 17,411,641.80 × 7,350,918.94 - Step 4: Simplify right side
11,618,390.14x = 127,991,567,484,115.70 - Step 5: Solve for x
x = 127,991,567,484,115.70/11,618,390.14 - Step 6: Final answer
x = 11,016,291.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.