Finding the Fourth Proportional to 18,462,779.80, 27,688,259.94 and 6,164,102.68
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Solution
The fourth proportional to 18,462,779.80, 27,688,259.94 and 6,164,102.68 is: 9,244,180.95
Step by Step Solution
- Step 1: Write the proportion equation
18,462,779.80 : 27,688,259.94 = 6,164,102.68 : x - Step 2: Convert to fraction form
18,462,779.80/27,688,259.94 = 6,164,102.68/x - Step 3: Cross multiply
18,462,779.80x = 27,688,259.94 × 6,164,102.68 - Step 4: Simplify right side
18,462,779.80x = 170,673,277,300,690.62 - Step 5: Solve for x
x = 170,673,277,300,690.62/18,462,779.80 - Step 6: Final answer
x = 9,244,180.95
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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.