Finding the Fourth Proportional to 13,628,802.08, 20,423,006.04 and 5,531,925.44
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Solution
The fourth proportional to 13,628,802.08, 20,423,006.04 and 5,531,925.44 is: 8,289,690.17
Step by Step Solution
- Step 1: Write the proportion equation
13,628,802.08 : 20,423,006.04 = 5,531,925.44 : x - Step 2: Convert to fraction form
13,628,802.08/20,423,006.04 = 5,531,925.44/x - Step 3: Cross multiply
13,628,802.08x = 20,423,006.04 × 5,531,925.44 - Step 4: Simplify right side
13,628,802.08x = 112,978,546,673,949.66 - Step 5: Solve for x
x = 112,978,546,673,949.66/13,628,802.08 - Step 6: Final answer
x = 8,289,690.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.