Finding the Fourth Proportional to 18,462,778.80, 27,688,258.44 and 6,164,101.68
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Solution
The fourth proportional to 18,462,778.80, 27,688,258.44 and 6,164,101.68 is: 9,244,179.45
Step by Step Solution
- Step 1: Write the proportion equation
18,462,778.80 : 27,688,258.44 = 6,164,101.68 : x - Step 2: Convert to fraction form
18,462,778.80/27,688,258.44 = 6,164,101.68/x - Step 3: Cross multiply
18,462,778.80x = 27,688,258.44 × 6,164,101.68 - Step 4: Simplify right side
18,462,778.80x = 170,673,240,366,278.19 - Step 5: Solve for x
x = 170,673,240,366,278.19/18,462,778.80 - Step 6: Final answer
x = 9,244,179.45
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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.