Finding the Fourth Proportional to 10,298,968.14, 14,213,060.91 and 5,715,327.18
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Solution
The fourth proportional to 10,298,968.14, 14,213,060.91 and 5,715,327.18 is: 7,887,420.59
Step by Step Solution
- Step 1: Write the proportion equation
10,298,968.14 : 14,213,060.91 = 5,715,327.18 : x - Step 2: Convert to fraction form
10,298,968.14/14,213,060.91 = 5,715,327.18/x - Step 3: Cross multiply
10,298,968.14x = 14,213,060.91 × 5,715,327.18 - Step 4: Simplify right side
10,298,968.14x = 81,232,293,329,918.53 - Step 5: Solve for x
x = 81,232,293,329,918.53/10,298,968.14 - Step 6: Final answer
x = 7,887,420.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.