Finding the Fourth Proportional to 7,429,394.66, 11,142,246.36 and 4,192,353.36
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Solution
The fourth proportional to 7,429,394.66, 11,142,246.36 and 4,192,353.36 is: 6,287,488.56
Step by Step Solution
- Step 1: Write the proportion equation
7,429,394.66 : 11,142,246.36 = 4,192,353.36 : x - Step 2: Convert to fraction form
7,429,394.66/11,142,246.36 = 4,192,353.36/x - Step 3: Cross multiply
7,429,394.66x = 11,142,246.36 × 4,192,353.36 - Step 4: Simplify right side
7,429,394.66x = 46,712,233,965,293.77 - Step 5: Solve for x
x = 46,712,233,965,293.77/7,429,394.66 - Step 6: Final answer
x = 6,287,488.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.