Finding the Fourth Proportional to 7,347,318.08, 10,139,926.72 and 4,084,767.68
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Solution
The fourth proportional to 7,347,318.08, 10,139,926.72 and 4,084,767.68 is: 5,637,328.41
Step by Step Solution
- Step 1: Write the proportion equation
7,347,318.08 : 10,139,926.72 = 4,084,767.68 : x - Step 2: Convert to fraction form
7,347,318.08/10,139,926.72 = 4,084,767.68/x - Step 3: Cross multiply
7,347,318.08x = 10,139,926.72 × 4,084,767.68 - Step 4: Simplify right side
7,347,318.08x = 41,419,244,943,424.41 - Step 5: Solve for x
x = 41,419,244,943,424.41/7,347,318.08 - Step 6: Final answer
x = 5,637,328.41
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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.