Finding the Fourth Proportional to 39,031,290.20, 58,535,549.68 and 13,120,662.84
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Solution
The fourth proportional to 39,031,290.20, 58,535,549.68 and 13,120,662.84 is: 19,677,166.90
Step by Step Solution
- Step 1: Write the proportion equation
39,031,290.20 : 58,535,549.68 = 13,120,662.84 : x - Step 2: Convert to fraction form
39,031,290.20/58,535,549.68 = 13,120,662.84/x - Step 3: Cross multiply
39,031,290.20x = 58,535,549.68 × 13,120,662.84 - Step 4: Simplify right side
39,031,290.20x = 768,025,211,505,349.88 - Step 5: Solve for x
x = 768,025,211,505,349.88/39,031,290.20 - Step 6: Final answer
x = 19,677,166.90
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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.