Finding the Fourth Proportional to 7,703,494.48, 10,630,691.66 and 4,265,661.70
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Solution
The fourth proportional to 7,703,494.48, 10,630,691.66 and 4,265,661.70 is: 5,886,540.76
Step by Step Solution
- Step 1: Write the proportion equation
7,703,494.48 : 10,630,691.66 = 4,265,661.70 : x - Step 2: Convert to fraction form
7,703,494.48/10,630,691.66 = 4,265,661.70/x - Step 3: Cross multiply
7,703,494.48x = 10,630,691.66 × 4,265,661.70 - Step 4: Simplify right side
7,703,494.48x = 45,346,934,205,417.97 - Step 5: Solve for x
x = 45,346,934,205,417.97/7,703,494.48 - Step 6: Final answer
x = 5,886,540.76
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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.