Finding the Fourth Proportional to 10,304,771.42, 14,220,029.49 and 5,720,797.55
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Solution
The fourth proportional to 10,304,771.42, 14,220,029.49 and 5,720,797.55 is: 7,894,392.46
Step by Step Solution
- Step 1: Write the proportion equation
10,304,771.42 : 14,220,029.49 = 5,720,797.55 : x - Step 2: Convert to fraction form
10,304,771.42/14,220,029.49 = 5,720,797.55/x - Step 3: Cross multiply
10,304,771.42x = 14,220,029.49 × 5,720,797.55 - Step 4: Simplify right side
10,304,771.42x = 81,349,909,801,429.17 - Step 5: Solve for x
x = 81,349,909,801,429.17/10,304,771.42 - Step 6: Final answer
x = 7,894,392.46
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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.