Finding the Fourth Proportional to 11,719,304.84, 16,171,106.98 and 6,757,929.42
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Solution
The fourth proportional to 11,719,304.84, 16,171,106.98 and 6,757,929.42 is: 9,325,058.19
Step by Step Solution
- Step 1: Write the proportion equation
11,719,304.84 : 16,171,106.98 = 6,757,929.42 : x - Step 2: Convert to fraction form
11,719,304.84/16,171,106.98 = 6,757,929.42/x - Step 3: Cross multiply
11,719,304.84x = 16,171,106.98 × 6,757,929.42 - Step 4: Simplify right side
11,719,304.84x = 109,283,199,580,319.70 - Step 5: Solve for x
x = 109,283,199,580,319.70/11,719,304.84 - Step 6: Final answer
x = 9,325,058.19
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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.