Finding the Fourth Proportional to 11,685,098.34, 16,125,442.54 and 6,528,459.88
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Solution
The fourth proportional to 11,685,098.34, 16,125,442.54 and 6,528,459.88 is: 9,009,278.45
Step by Step Solution
- Step 1: Write the proportion equation
11,685,098.34 : 16,125,442.54 = 6,528,459.88 : x - Step 2: Convert to fraction form
11,685,098.34/16,125,442.54 = 6,528,459.88/x - Step 3: Cross multiply
11,685,098.34x = 16,125,442.54 × 6,528,459.88 - Step 4: Simplify right side
11,685,098.34x = 105,274,304,669,635.28 - Step 5: Solve for x
x = 105,274,304,669,635.28/11,685,098.34 - Step 6: Final answer
x = 9,009,278.45
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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.