Finding the Fourth Proportional to 34,417,644.21, 47,499,125.76 and 19,734,676.61
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Solution
The fourth proportional to 34,417,644.21, 47,499,125.76 and 19,734,676.61 is: 27,235,445.87
Step by Step Solution
- Step 1: Write the proportion equation
34,417,644.21 : 47,499,125.76 = 19,734,676.61 : x - Step 2: Convert to fraction form
34,417,644.21/47,499,125.76 = 19,734,676.61/x - Step 3: Cross multiply
34,417,644.21x = 47,499,125.76 × 19,734,676.61 - Step 4: Simplify right side
34,417,644.21x = 937,379,885,893,824.88 - Step 5: Solve for x
x = 937,379,885,893,824.88/34,417,644.21 - Step 6: Final answer
x = 27,235,445.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.