Finding the Fourth Proportional to 14,393,569.74, 19,863,078 and 7,867,195.42
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Solution
The fourth proportional to 14,393,569.74, 19,863,078 and 7,867,195.42 is: 10,856,703.31
Step by Step Solution
- Step 1: Write the proportion equation
14,393,569.74 : 19,863,078 = 7,867,195.42 : x - Step 2: Convert to fraction form
14,393,569.74/19,863,078 = 7,867,195.42/x - Step 3: Cross multiply
14,393,569.74x = 19,863,078 × 7,867,195.42 - Step 4: Simplify right side
14,393,569.74x = 156,266,716,268,702.75 - Step 5: Solve for x
x = 156,266,716,268,702.75/14,393,569.74 - Step 6: Final answer
x = 10,856,703.31
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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.