Finding the Fourth Proportional to 19,542,024.30, 29,313,036.45 and 16,644,686.70
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Solution
The fourth proportional to 19,542,024.30, 29,313,036.45 and 16,644,686.70 is: 24,967,030.05
Step by Step Solution
- Step 1: Write the proportion equation
19,542,024.30 : 29,313,036.45 = 16,644,686.70 : x - Step 2: Convert to fraction form
19,542,024.30/29,313,036.45 = 16,644,686.70/x - Step 3: Cross multiply
19,542,024.30x = 29,313,036.45 × 16,644,686.70 - Step 4: Simplify right side
19,542,024.30x = 487,906,307,935,930.19 - Step 5: Solve for x
x = 487,906,307,935,930.19/19,542,024.30 - Step 6: Final answer
x = 24,967,030.05
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1.5x scale
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.