Finding the Fourth Proportional to 7,137,807.35, 9,850,186.64 and 3,874,624.29
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Solution
The fourth proportional to 7,137,807.35, 9,850,186.64 and 3,874,624.29 is: 5,346,988.31
Step by Step Solution
- Step 1: Write the proportion equation
7,137,807.35 : 9,850,186.64 = 3,874,624.29 : x - Step 2: Convert to fraction form
7,137,807.35/9,850,186.64 = 3,874,624.29/x - Step 3: Cross multiply
7,137,807.35x = 9,850,186.64 × 3,874,624.29 - Step 4: Simplify right side
7,137,807.35x = 38,165,772,426,064.05 - Step 5: Solve for x
x = 38,165,772,426,064.05/7,137,807.35 - Step 6: Final answer
x = 5,346,988.31
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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.