Finding the Fourth Proportional to 11,660,577.36, 16,091,554.68 and 6,503,934.84
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Solution
The fourth proportional to 11,660,577.36, 16,091,554.68 and 6,503,934.84 is: 8,975,406.61
Step by Step Solution
- Step 1: Write the proportion equation
11,660,577.36 : 16,091,554.68 = 6,503,934.84 : x - Step 2: Convert to fraction form
11,660,577.36/16,091,554.68 = 6,503,934.84/x - Step 3: Cross multiply
11,660,577.36x = 16,091,554.68 × 6,503,934.84 - Step 4: Simplify right side
11,660,577.36x = 104,658,423,113,017.05 - Step 5: Solve for x
x = 104,658,423,113,017.05/11,660,577.36 - Step 6: Final answer
x = 8,975,406.61
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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.