Finding the Fourth Proportional to 18,205,242.87, 27,318,637.71 and 6,698,790.11
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Solution
The fourth proportional to 18,205,242.87, 27,318,637.71 and 6,698,790.11 is: 10,052,149.33
Step by Step Solution
- Step 1: Write the proportion equation
18,205,242.87 : 27,318,637.71 = 6,698,790.11 : x - Step 2: Convert to fraction form
18,205,242.87/27,318,637.71 = 6,698,790.11/x - Step 3: Cross multiply
18,205,242.87x = 27,318,637.71 × 6,698,790.11 - Step 4: Simplify right side
18,205,242.87x = 183,001,819,973,827.88 - Step 5: Solve for x
x = 183,001,819,973,827.88/18,205,242.87 - Step 6: Final answer
x = 10,052,149.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.