Finding the Fourth Proportional to 7,783,813.68, 10,742,327.10 and 4,346,719.02
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Solution
The fourth proportional to 7,783,813.68, 10,742,327.10 and 4,346,719.02 is: 5,998,843.17
Step by Step Solution
- Step 1: Write the proportion equation
7,783,813.68 : 10,742,327.10 = 4,346,719.02 : x - Step 2: Convert to fraction form
7,783,813.68/10,742,327.10 = 4,346,719.02/x - Step 3: Cross multiply
7,783,813.68x = 10,742,327.10 × 4,346,719.02 - Step 4: Simplify right side
7,783,813.68x = 46,693,877,524,631.44 - Step 5: Solve for x
x = 46,693,877,524,631.44/7,783,813.68 - Step 6: Final answer
x = 5,998,843.17
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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.