Finding the Fourth Proportional to 7,523,246.64, 10,382,082.40 and 4,085,486.76
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Solution
The fourth proportional to 7,523,246.64, 10,382,082.40 and 4,085,486.76 is: 5,637,972.83
Step by Step Solution
- Step 1: Write the proportion equation
7,523,246.64 : 10,382,082.40 = 4,085,486.76 : x - Step 2: Convert to fraction form
7,523,246.64/10,382,082.40 = 4,085,486.76/x - Step 3: Cross multiply
7,523,246.64x = 10,382,082.40 × 4,085,486.76 - Step 4: Simplify right side
7,523,246.64x = 42,415,860,186,429.02 - Step 5: Solve for x
x = 42,415,860,186,429.02/7,523,246.64 - Step 6: Final answer
x = 5,637,972.83
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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.