Finding the Fourth Proportional to 43,008,768.80, 64,502,966.64 and 12,302,403.20
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Solution
The fourth proportional to 43,008,768.80, 64,502,966.64 and 12,302,403.20 is: 18,450,690.99
Step by Step Solution
- Step 1: Write the proportion equation
43,008,768.80 : 64,502,966.64 = 12,302,403.20 : x - Step 2: Convert to fraction form
43,008,768.80/64,502,966.64 = 12,302,403.20/x - Step 3: Cross multiply
43,008,768.80x = 64,502,966.64 × 12,302,403.20 - Step 4: Simplify right side
43,008,768.80x = 793,541,503,201,429.25 - Step 5: Solve for x
x = 793,541,503,201,429.25/43,008,768.80 - Step 6: Final answer
x = 18,450,690.99
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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.