Finding the Fourth Proportional to 21,410,101.08, 29,546,379.99 and 12,117,670.47
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Solution
The fourth proportional to 21,410,101.08, 29,546,379.99 and 12,117,670.47 is: 16,722,634.56
Step by Step Solution
- Step 1: Write the proportion equation
21,410,101.08 : 29,546,379.99 = 12,117,670.47 : x - Step 2: Convert to fraction form
21,410,101.08/29,546,379.99 = 12,117,670.47/x - Step 3: Cross multiply
21,410,101.08x = 29,546,379.99 × 12,117,670.47 - Step 4: Simplify right side
21,410,101.08x = 358,033,296,300,221.88 - Step 5: Solve for x
x = 358,033,296,300,221.88/21,410,101.08 - Step 6: Final answer
x = 16,722,634.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.