Finding the Fourth Proportional to 9,243,421.04, 12,751,622.64 and 5,981,290.08
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Solution
The fourth proportional to 9,243,421.04, 12,751,622.64 and 5,981,290.08 is: 8,251,398.88
Step by Step Solution
- Step 1: Write the proportion equation
9,243,421.04 : 12,751,622.64 = 5,981,290.08 : x - Step 2: Convert to fraction form
9,243,421.04/12,751,622.64 = 5,981,290.08/x - Step 3: Cross multiply
9,243,421.04x = 12,751,622.64 × 5,981,290.08 - Step 4: Simplify right side
9,243,421.04x = 76,271,154,000,535.42 - Step 5: Solve for x
x = 76,271,154,000,535.42/9,243,421.04 - Step 6: Final answer
x = 8,251,398.88
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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.