Finding the Fourth Proportional to 19,474,024.05, 29,211,036.08 and 8,112,996.45
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Solution
The fourth proportional to 19,474,024.05, 29,211,036.08 and 8,112,996.45 is: 12,169,494.68
Step by Step Solution
- Step 1: Write the proportion equation
19,474,024.05 : 29,211,036.08 = 8,112,996.45 : x - Step 2: Convert to fraction form
19,474,024.05/29,211,036.08 = 8,112,996.45/x - Step 3: Cross multiply
19,474,024.05x = 29,211,036.08 × 8,112,996.45 - Step 4: Simplify right side
19,474,024.05x = 236,989,031,977,296.94 - Step 5: Solve for x
x = 236,989,031,977,296.94/19,474,024.05 - Step 6: Final answer
x = 12,169,494.68
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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.