Finding the Fourth Proportional to 36,903,903.40, 55,355,855.10 and 14,185,541.80
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Solution
The fourth proportional to 36,903,903.40, 55,355,855.10 and 14,185,541.80 is: 21,278,312.70
Step by Step Solution
- Step 1: Write the proportion equation
36,903,903.40 : 55,355,855.10 = 14,185,541.80 : x - Step 2: Convert to fraction form
36,903,903.40/55,355,855.10 = 14,185,541.80/x - Step 3: Cross multiply
36,903,903.40x = 55,355,855.10 × 14,185,541.80 - Step 4: Simplify right side
36,903,903.40x = 785,252,796,395,793.25 - Step 5: Solve for x
x = 785,252,796,395,793.25/36,903,903.40 - Step 6: Final answer
x = 21,278,312.70
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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.