Finding the Fourth Proportional to 19,937,296.52, 29,905,944.78 and 6,291,825.88
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Solution
The fourth proportional to 19,937,296.52, 29,905,944.78 and 6,291,825.88 is: 9,437,738.82
Step by Step Solution
- Step 1: Write the proportion equation
19,937,296.52 : 29,905,944.78 = 6,291,825.88 : x - Step 2: Convert to fraction form
19,937,296.52/29,905,944.78 = 6,291,825.88/x - Step 3: Cross multiply
19,937,296.52x = 29,905,944.78 × 6,291,825.88 - Step 4: Simplify right side
19,937,296.52x = 188,162,997,332,654.91 - Step 5: Solve for x
x = 188,162,997,332,654.91/19,937,296.52 - Step 6: Final answer
x = 9,437,738.82
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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.