Finding the Fourth Proportional to 18,130,612.36, 27,195,918.54 and 5,996,815.60
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Solution
The fourth proportional to 18,130,612.36, 27,195,918.54 and 5,996,815.60 is: 8,995,223.40
Step by Step Solution
- Step 1: Write the proportion equation
18,130,612.36 : 27,195,918.54 = 5,996,815.60 : x - Step 2: Convert to fraction form
18,130,612.36/27,195,918.54 = 5,996,815.60/x - Step 3: Cross multiply
18,130,612.36x = 27,195,918.54 × 5,996,815.60 - Step 4: Simplify right side
18,130,612.36x = 163,088,908,557,001.22 - Step 5: Solve for x
x = 163,088,908,557,001.22/18,130,612.36 - Step 6: Final answer
x = 8,995,223.40
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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.