Finding the Fourth Proportional to 38,591,589.74, 57,875,094.48 and 12,677,875.95
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Solution
The fourth proportional to 38,591,589.74, 57,875,094.48 and 12,677,875.95 is: 19,012,776.45
Step by Step Solution
- Step 1: Write the proportion equation
38,591,589.74 : 57,875,094.48 = 12,677,875.95 : x - Step 2: Convert to fraction form
38,591,589.74/57,875,094.48 = 12,677,875.95/x - Step 3: Cross multiply
38,591,589.74x = 57,875,094.48 × 12,677,875.95 - Step 4: Simplify right side
38,591,589.74x = 733,733,268,411,969.62 - Step 5: Solve for x
x = 733,733,268,411,969.62/38,591,589.74 - Step 6: Final answer
x = 19,012,776.45
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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.