Finding the Fourth Proportional to 14,348,253.62, 19,800,460.04 and 7,909,725.62
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Solution
The fourth proportional to 14,348,253.62, 19,800,460.04 and 7,909,725.62 is: 10,915,349.72
Step by Step Solution
- Step 1: Write the proportion equation
14,348,253.62 : 19,800,460.04 = 7,909,725.62 : x - Step 2: Convert to fraction form
14,348,253.62/19,800,460.04 = 7,909,725.62/x - Step 3: Cross multiply
14,348,253.62x = 19,800,460.04 × 7,909,725.62 - Step 4: Simplify right side
14,348,253.62x = 156,616,206,066,174.22 - Step 5: Solve for x
x = 156,616,206,066,174.22/14,348,253.62 - Step 6: Final answer
x = 10,915,349.72
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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.