Finding the Fourth Proportional to 14,381,986.24, 21,572,245.42 and 5,283,385.84
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Solution
The fourth proportional to 14,381,986.24, 21,572,245.42 and 5,283,385.84 is: 7,924,809.14
Step by Step Solution
- Step 1: Write the proportion equation
14,381,986.24 : 21,572,245.42 = 5,283,385.84 : x - Step 2: Convert to fraction form
14,381,986.24/21,572,245.42 = 5,283,385.84/x - Step 3: Cross multiply
14,381,986.24x = 21,572,245.42 × 5,283,385.84 - Step 4: Simplify right side
14,381,986.24x = 113,974,495,989,032.86 - Step 5: Solve for x
x = 113,974,495,989,032.86/14,381,986.24 - Step 6: Final answer
x = 7,924,809.14
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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.