Finding the Fourth Proportional to 19,929,406.74, 27,503,164.20 and 11,668,696.14
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Solution
The fourth proportional to 19,929,406.74, 27,503,164.20 and 11,668,696.14 is: 16,103,141.96
Step by Step Solution
- Step 1: Write the proportion equation
19,929,406.74 : 27,503,164.20 = 11,668,696.14 : x - Step 2: Convert to fraction form
19,929,406.74/27,503,164.20 = 11,668,696.14/x - Step 3: Cross multiply
19,929,406.74x = 27,503,164.20 × 11,668,696.14 - Step 4: Simplify right side
19,929,406.74x = 320,926,065,938,326.19 - Step 5: Solve for x
x = 320,926,065,938,326.19/19,929,406.74 - Step 6: Final answer
x = 16,103,141.96
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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.