Finding the Fourth Proportional to 14,339,705.67, 19,788,544.62 and 7,813,388.79
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Solution
The fourth proportional to 14,339,705.67, 19,788,544.62 and 7,813,388.79 is: 10,782,340.74
Step by Step Solution
- Step 1: Write the proportion equation
14,339,705.67 : 19,788,544.62 = 7,813,388.79 : x - Step 2: Convert to fraction form
14,339,705.67/19,788,544.62 = 7,813,388.79/x - Step 3: Cross multiply
14,339,705.67x = 19,788,544.62 × 7,813,388.79 - Step 4: Simplify right side
14,339,705.67x = 154,615,592,704,322.81 - Step 5: Solve for x
x = 154,615,592,704,322.81/14,339,705.67 - Step 6: Final answer
x = 10,782,340.74
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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.