Finding the Fourth Proportional to 19,399,236.17, 29,101,105.44 and 6,446,542.79
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Solution
The fourth proportional to 19,399,236.17, 29,101,105.44 and 6,446,542.79 is: 9,670,562.27
Step by Step Solution
- Step 1: Write the proportion equation
19,399,236.17 : 29,101,105.44 = 6,446,542.79 : x - Step 2: Convert to fraction form
19,399,236.17/29,101,105.44 = 6,446,542.79/x - Step 3: Cross multiply
19,399,236.17x = 29,101,105.44 × 6,446,542.79 - Step 4: Simplify right side
19,399,236.17x = 187,601,521,455,261.78 - Step 5: Solve for x
x = 187,601,521,455,261.78/19,399,236.17 - Step 6: Final answer
x = 9,670,562.27
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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.