Finding the Fourth Proportional to 39,982,840.70, 59,974,261.70 and 9,690,703.70
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Solution
The fourth proportional to 39,982,840.70, 59,974,261.70 and 9,690,703.70 is: 14,536,055.70
Step by Step Solution
- Step 1: Write the proportion equation
39,982,840.70 : 59,974,261.70 = 9,690,703.70 : x - Step 2: Convert to fraction form
39,982,840.70/59,974,261.70 = 9,690,703.70/x - Step 3: Cross multiply
39,982,840.70x = 59,974,261.70 × 9,690,703.70 - Step 4: Simplify right side
39,982,840.70x = 581,192,799,412,633.50 - Step 5: Solve for x
x = 581,192,799,412,633.50/39,982,840.70 - Step 6: Final answer
x = 14,536,055.70
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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.