Finding the Fourth Proportional to 36,766,534.68, 55,133,848.80 and 12,498,942.60
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Solution
The fourth proportional to 36,766,534.68, 55,133,848.80 and 12,498,942.60 is: 18,742,990.53
Step by Step Solution
- Step 1: Write the proportion equation
36,766,534.68 : 55,133,848.80 = 12,498,942.60 : x - Step 2: Convert to fraction form
36,766,534.68/55,133,848.80 = 12,498,942.60/x - Step 3: Cross multiply
36,766,534.68x = 55,133,848.80 × 12,498,942.60 - Step 4: Simplify right side
36,766,534.68x = 689,114,811,468,278.88 - Step 5: Solve for x
x = 689,114,811,468,278.88/36,766,534.68 - Step 6: Final answer
x = 18,742,990.53
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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.