Finding the Fourth Proportional to 9,784,455.20, 14,676,682.80 and 2,692,743.20
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Solution
The fourth proportional to 9,784,455.20, 14,676,682.80 and 2,692,743.20 is: 4,039,114.80
Step by Step Solution
- Step 1: Write the proportion equation
9,784,455.20 : 14,676,682.80 = 2,692,743.20 : x - Step 2: Convert to fraction form
9,784,455.20/14,676,682.80 = 2,692,743.20/x - Step 3: Cross multiply
9,784,455.20x = 14,676,682.80 × 2,692,743.20 - Step 4: Simplify right side
9,784,455.20x = 39,520,537,808,256.96 - Step 5: Solve for x
x = 39,520,537,808,256.96/9,784,455.20 - Step 6: Final answer
x = 4,039,114.80
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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.