Finding the Fourth Proportional to 14,722,276.97, 20,317,412.76 and 8,196,320.91
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Solution
The fourth proportional to 14,722,276.97, 20,317,412.76 and 8,196,320.91 is: 11,311,296.17
Step by Step Solution
- Step 1: Write the proportion equation
14,722,276.97 : 20,317,412.76 = 8,196,320.91 : x - Step 2: Convert to fraction form
14,722,276.97/20,317,412.76 = 8,196,320.91/x - Step 3: Cross multiply
14,722,276.97x = 20,317,412.76 × 8,196,320.91 - Step 4: Simplify right side
14,722,276.97x = 166,528,035,087,342.94 - Step 5: Solve for x
x = 166,528,035,087,342.94/14,722,276.97 - Step 6: Final answer
x = 11,311,296.17
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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.