Finding the Fourth Proportional to 7,398,031.68, 10,209,354.48 and 4,342,296.96
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Solution
The fourth proportional to 7,398,031.68, 10,209,354.48 and 4,342,296.96 is: 5,992,411.34
Step by Step Solution
- Step 1: Write the proportion equation
7,398,031.68 : 10,209,354.48 = 4,342,296.96 : x - Step 2: Convert to fraction form
7,398,031.68/10,209,354.48 = 4,342,296.96/x - Step 3: Cross multiply
7,398,031.68x = 10,209,354.48 × 4,342,296.96 - Step 4: Simplify right side
7,398,031.68x = 44,332,048,922,066.38 - Step 5: Solve for x
x = 44,332,048,922,066.38/7,398,031.68 - Step 6: Final answer
x = 5,992,411.34
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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.