Finding the Fourth Proportional to 39,936,671.40, 59,905,007.10 and 19,737,733.80
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Solution
The fourth proportional to 39,936,671.40, 59,905,007.10 and 19,737,733.80 is: 29,606,600.70
Step by Step Solution
- Step 1: Write the proportion equation
39,936,671.40 : 59,905,007.10 = 19,737,733.80 : x - Step 2: Convert to fraction form
39,936,671.40/59,905,007.10 = 19,737,733.80/x - Step 3: Cross multiply
39,936,671.40x = 59,905,007.10 × 19,737,733.80 - Step 4: Simplify right side
39,936,671.40x = 1,182,389,083,426,910 - Step 5: Solve for x
x = 1,182,389,083,426,910/39,936,671.40 - Step 6: Final answer
x = 29,606,600.70
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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.