Finding the Fourth Proportional to 19,709,601.58, 29,548,396.77 and 8,203,681.25
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Solution
The fourth proportional to 19,709,601.58, 29,548,396.77 and 8,203,681.25 is: 12,298,859.90
Step by Step Solution
- Step 1: Write the proportion equation
19,709,601.58 : 29,548,396.77 = 8,203,681.25 : x - Step 2: Convert to fraction form
19,709,601.58/29,548,396.77 = 8,203,681.25/x - Step 3: Cross multiply
19,709,601.58x = 29,548,396.77 × 8,203,681.25 - Step 4: Simplify right side
19,709,601.58x = 242,405,628,549,609.56 - Step 5: Solve for x
x = 242,405,628,549,609.56/19,709,601.58 - Step 6: Final answer
x = 12,298,859.90
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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.