Finding the Fourth Proportional to 19,423,086.30, 29,134,629.45 and 6,642,452.70
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Solution
The fourth proportional to 19,423,086.30, 29,134,629.45 and 6,642,452.70 is: 9,963,679.05
Step by Step Solution
- Step 1: Write the proportion equation
19,423,086.30 : 29,134,629.45 = 6,642,452.70 : x - Step 2: Convert to fraction form
19,423,086.30/29,134,629.45 = 6,642,452.70/x - Step 3: Cross multiply
19,423,086.30x = 29,134,629.45 × 6,642,452.70 - Step 4: Simplify right side
19,423,086.30x = 193,525,398,053,652 - Step 5: Solve for x
x = 193,525,398,053,652/19,423,086.30 - Step 6: Final answer
x = 9,963,679.05
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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.