Finding the Fourth Proportional to 42,090,493.76, 63,138,591.84 and 14,793,467.84
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Solution
The fourth proportional to 42,090,493.76, 63,138,591.84 and 14,793,467.84 is: 22,191,203.87
Step by Step Solution
- Step 1: Write the proportion equation
42,090,493.76 : 63,138,591.84 = 14,793,467.84 : x - Step 2: Convert to fraction form
42,090,493.76/63,138,591.84 = 14,793,467.84/x - Step 3: Cross multiply
42,090,493.76x = 63,138,591.84 × 14,793,467.84 - Step 4: Simplify right side
42,090,493.76x = 934,038,727,847,926.50 - Step 5: Solve for x
x = 934,038,727,847,926.50/42,090,493.76 - Step 6: Final answer
x = 22,191,203.87
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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.