Finding the Fourth Proportional to 7,963,443.41, 10,990,484.88 and 4,526,201.12
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Solution
The fourth proportional to 7,963,443.41, 10,990,484.88 and 4,526,201.12 is: 6,246,687.82
Step by Step Solution
- Step 1: Write the proportion equation
7,963,443.41 : 10,990,484.88 = 4,526,201.12 : x - Step 2: Convert to fraction form
7,963,443.41/10,990,484.88 = 4,526,201.12/x - Step 3: Cross multiply
7,963,443.41x = 10,990,484.88 × 4,526,201.12 - Step 4: Simplify right side
7,963,443.41x = 49,745,144,973,199.07 - Step 5: Solve for x
x = 49,745,144,973,199.07/7,963,443.41 - Step 6: Final answer
x = 6,246,687.82
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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.