Finding the Fourth Proportional to 7,386,724.90, 10,119,765.91 and 7,110,495.75
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Solution
The fourth proportional to 7,386,724.90, 10,119,765.91 and 7,110,495.75 is: 9,741,333.74
Step by Step Solution
- Step 1: Write the proportion equation
7,386,724.90 : 10,119,765.91 = 7,110,495.75 : x - Step 2: Convert to fraction form
7,386,724.90/10,119,765.91 = 7,110,495.75/x - Step 3: Cross multiply
7,386,724.90x = 10,119,765.91 × 7,110,495.75 - Step 4: Simplify right side
7,386,724.90x = 71,956,552,494,049.89 - Step 5: Solve for x
x = 71,956,552,494,049.89/7,386,724.90 - Step 6: Final answer
x = 9,741,333.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.