Finding the Fourth Proportional to 7,119,687.68, 10,709,837.87 and 6,453,799.10
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Solution
The fourth proportional to 7,119,687.68, 10,709,837.87 and 6,453,799.10 is: 9,708,170.51
Step by Step Solution
- Step 1: Write the proportion equation
7,119,687.68 : 10,709,837.87 = 6,453,799.10 : x - Step 2: Convert to fraction form
7,119,687.68/10,709,837.87 = 6,453,799.10/x - Step 3: Cross multiply
7,119,687.68x = 10,709,837.87 × 6,453,799.10 - Step 4: Simplify right side
7,119,687.68x = 69,119,142,006,551.91 - Step 5: Solve for x
x = 69,119,142,006,551.91/7,119,687.68 - Step 6: Final answer
x = 9,708,170.51
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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.