Finding the Fourth Proportional to 39,317,185.12, 59,002,349.68 and 13,758,415.92
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Solution
The fourth proportional to 39,317,185.12, 59,002,349.68 and 13,758,415.92 is: 20,646,922.32
Step by Step Solution
- Step 1: Write the proportion equation
39,317,185.12 : 59,002,349.68 = 13,758,415.92 : x - Step 2: Convert to fraction form
39,317,185.12/59,002,349.68 = 13,758,415.92/x - Step 3: Cross multiply
39,317,185.12x = 59,002,349.68 × 13,758,415.92 - Step 4: Simplify right side
39,317,185.12x = 811,778,867,154,718.88 - Step 5: Solve for x
x = 811,778,867,154,718.88/39,317,185.12 - Step 6: Final answer
x = 20,646,922.32
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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.