Finding the Fourth Proportional to 14,213,690.97, 19,614,893.40 and 7,687,320.24
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Solution
The fourth proportional to 14,213,690.97, 19,614,893.40 and 7,687,320.24 is: 10,608,501.86
Step by Step Solution
- Step 1: Write the proportion equation
14,213,690.97 : 19,614,893.40 = 7,687,320.24 : x - Step 2: Convert to fraction form
14,213,690.97/19,614,893.40 = 7,687,320.24/x - Step 3: Cross multiply
14,213,690.97x = 19,614,893.40 × 7,687,320.24 - Step 4: Simplify right side
14,213,690.97x = 150,785,967,039,262.41 - Step 5: Solve for x
x = 150,785,967,039,262.41/14,213,690.97 - Step 6: Final answer
x = 10,608,501.86
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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.