Finding the Fourth Proportional to 11,975,407.97, 16,526,069.06 and 6,468,782.54
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Solution
The fourth proportional to 11,975,407.97, 16,526,069.06 and 6,468,782.54 is: 8,926,923.17
Step by Step Solution
- Step 1: Write the proportion equation
11,975,407.97 : 16,526,069.06 = 6,468,782.54 : x - Step 2: Convert to fraction form
11,975,407.97/16,526,069.06 = 6,468,782.54/x - Step 3: Cross multiply
11,975,407.97x = 16,526,069.06 × 6,468,782.54 - Step 4: Simplify right side
11,975,407.97x = 106,903,546,875,187.95 - Step 5: Solve for x
x = 106,903,546,875,187.95/11,975,407.97 - Step 6: Final answer
x = 8,926,923.17
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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.