Finding the Fourth Proportional to 14,316,640.22, 19,756,797.40 and 7,790,157.26
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Solution
The fourth proportional to 14,316,640.22, 19,756,797.40 and 7,790,157.26 is: 10,750,326.63
Step by Step Solution
- Step 1: Write the proportion equation
14,316,640.22 : 19,756,797.40 = 7,790,157.26 : x - Step 2: Convert to fraction form
14,316,640.22/19,756,797.40 = 7,790,157.26/x - Step 3: Cross multiply
14,316,640.22x = 19,756,797.40 × 7,790,157.26 - Step 4: Simplify right side
14,316,640.22x = 153,908,558,581,699.75 - Step 5: Solve for x
x = 153,908,558,581,699.75/14,316,640.22 - Step 6: Final answer
x = 10,750,326.63
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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.