Finding the Fourth Proportional to 14,236,948.62, 19,646,972.25 and 7,710,574.26
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Solution
The fourth proportional to 14,236,948.62, 19,646,972.25 and 7,710,574.26 is: 10,640,583.36
Step by Step Solution
- Step 1: Write the proportion equation
14,236,948.62 : 19,646,972.25 = 7,710,574.26 : x - Step 2: Convert to fraction form
14,236,948.62/19,646,972.25 = 7,710,574.26/x - Step 3: Cross multiply
14,236,948.62x = 19,646,972.25 × 7,710,574.26 - Step 4: Simplify right side
14,236,948.62x = 151,489,438,517,784.28 - Step 5: Solve for x
x = 151,489,438,517,784.28/14,236,948.62 - Step 6: Final answer
x = 10,640,583.36
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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.