Finding the Fourth Proportional to 56,968,212.80, 85,452,320.18 and 13,837,125.54
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Solution
The fourth proportional to 56,968,212.80, 85,452,320.18 and 13,837,125.54 is: 20,755,688.55
Step by Step Solution
- Step 1: Write the proportion equation
56,968,212.80 : 85,452,320.18 = 13,837,125.54 : x - Step 2: Convert to fraction form
56,968,212.80/85,452,320.18 = 13,837,125.54/x - Step 3: Cross multiply
56,968,212.80x = 85,452,320.18 × 13,837,125.54 - Step 4: Simplify right side
56,968,212.80x = 1,182,414,482,014,935.50 - Step 5: Solve for x
x = 1,182,414,482,014,935.50/56,968,212.80 - Step 6: Final answer
x = 20,755,688.55
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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.