Finding the Fourth Proportional to 9,652,430.80, 14,478,646.20 and 3,668,021.20
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Solution
The fourth proportional to 9,652,430.80, 14,478,646.20 and 3,668,021.20 is: 5,502,031.80
Step by Step Solution
- Step 1: Write the proportion equation
9,652,430.80 : 14,478,646.20 = 3,668,021.20 : x - Step 2: Convert to fraction form
9,652,430.80/14,478,646.20 = 3,668,021.20/x - Step 3: Cross multiply
9,652,430.80x = 14,478,646.20 × 3,668,021.20 - Step 4: Simplify right side
9,652,430.80x = 53,107,981,208,899.44 - Step 5: Solve for x
x = 53,107,981,208,899.44/9,652,430.80 - Step 6: Final answer
x = 5,502,031.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.