Finding the Fourth Proportional to 15,449,364.66, 21,337,817.94 and 10,174,638.99
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Solution
The fourth proportional to 15,449,364.66, 21,337,817.94 and 10,174,638.99 is: 14,052,655.18
Step by Step Solution
- Step 1: Write the proportion equation
15,449,364.66 : 21,337,817.94 = 10,174,638.99 : x - Step 2: Convert to fraction form
15,449,364.66/21,337,817.94 = 10,174,638.99/x - Step 3: Cross multiply
15,449,364.66x = 21,337,817.94 × 10,174,638.99 - Step 4: Simplify right side
15,449,364.66x = 217,104,594,373,845.50 - Step 5: Solve for x
x = 217,104,594,373,845.50/15,449,364.66 - Step 6: Final answer
x = 14,052,655.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.