Finding the Fourth Proportional to 32,257,542.80, 48,385,277.40 and 10,693,139.60
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Solution
The fourth proportional to 32,257,542.80, 48,385,277.40 and 10,693,139.60 is: 16,039,365.71
Step by Step Solution
- Step 1: Write the proportion equation
32,257,542.80 : 48,385,277.40 = 10,693,139.60 : x - Step 2: Convert to fraction form
32,257,542.80/48,385,277.40 = 10,693,139.60/x - Step 3: Cross multiply
32,257,542.80x = 48,385,277.40 × 10,693,139.60 - Step 4: Simplify right side
32,257,542.80x = 517,390,525,822,925 - Step 5: Solve for x
x = 517,390,525,822,925/32,257,542.80 - Step 6: Final answer
x = 16,039,365.71
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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.