Finding the Fourth Proportional to 28,651,564.50, 42,950,330.01 and 14,261,027.96
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Solution
The fourth proportional to 28,651,564.50, 42,950,330.01 and 14,261,027.96 is: 21,378,094.62
Step by Step Solution
- Step 1: Write the proportion equation
28,651,564.50 : 42,950,330.01 = 14,261,027.96 : x - Step 2: Convert to fraction form
28,651,564.50/42,950,330.01 = 14,261,027.96/x - Step 3: Cross multiply
28,651,564.50x = 42,950,330.01 × 14,261,027.96 - Step 4: Simplify right side
28,651,564.50x = 612,515,856,949,085.38 - Step 5: Solve for x
x = 612,515,856,949,085.38/28,651,564.50 - Step 6: Final answer
x = 21,378,094.62
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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.