Finding the Fourth Proportional to 51,475,573.99, 77,213,299.02 and 13,137,092.20
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Solution
The fourth proportional to 51,475,573.99, 77,213,299.02 and 13,137,092.20 is: 19,705,622.49
Step by Step Solution
- Step 1: Write the proportion equation
51,475,573.99 : 77,213,299.02 = 13,137,092.20 : x - Step 2: Convert to fraction form
51,475,573.99/77,213,299.02 = 13,137,092.20/x - Step 3: Cross multiply
51,475,573.99x = 77,213,299.02 × 13,137,092.20 - Step 4: Simplify right side
51,475,573.99x = 1,014,358,228,291,909.50 - Step 5: Solve for x
x = 1,014,358,228,291,909.50/51,475,573.99 - Step 6: Final answer
x = 19,705,622.49
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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.