Finding the Fourth Proportional to 18,109,091.95, 27,163,652.96 and 4,462,239.97
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Solution
The fourth proportional to 18,109,091.95, 27,163,652.96 and 4,462,239.97 is: 6,693,363.66
Step by Step Solution
- Step 1: Write the proportion equation
18,109,091.95 : 27,163,652.96 = 4,462,239.97 : x - Step 2: Convert to fraction form
18,109,091.95/27,163,652.96 = 4,462,239.97/x - Step 3: Cross multiply
18,109,091.95x = 27,163,652.96 × 4,462,239.97 - Step 4: Simplify right side
18,109,091.95x = 121,210,738,014,430.98 - Step 5: Solve for x
x = 121,210,738,014,430.98/18,109,091.95 - Step 6: Final answer
x = 6,693,363.66
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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.