Finding the Fourth Proportional to 48,573,692.21, 72,860,851.49 and 19,429,965.92
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Solution
The fourth proportional to 48,573,692.21, 72,860,851.49 and 19,429,965.92 is: 29,145,074.15
Step by Step Solution
- Step 1: Write the proportion equation
48,573,692.21 : 72,860,851.49 = 19,429,965.92 : x - Step 2: Convert to fraction form
48,573,692.21/72,860,851.49 = 19,429,965.92/x - Step 3: Cross multiply
48,573,692.21x = 72,860,851.49 × 19,429,965.92 - Step 4: Simplify right side
48,573,692.21x = 1,415,683,861,437,883.50 - Step 5: Solve for x
x = 1,415,683,861,437,883.50/48,573,692.21 - Step 6: Final answer
x = 29,145,074.15
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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.