Finding the Fourth Proportional to 14,771,898.40, 22,107,433.20 and 12,378,445.60
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Solution
The fourth proportional to 14,771,898.40, 22,107,433.20 and 12,378,445.60 is: 18,525,422.52
Step by Step Solution
- Step 1: Write the proportion equation
14,771,898.40 : 22,107,433.20 = 12,378,445.60 : x - Step 2: Convert to fraction form
14,771,898.40/22,107,433.20 = 12,378,445.60/x - Step 3: Cross multiply
14,771,898.40x = 22,107,433.20 × 12,378,445.60 - Step 4: Simplify right side
14,771,898.40x = 273,655,659,221,833.91 - Step 5: Solve for x
x = 273,655,659,221,833.91/14,771,898.40 - Step 6: Final answer
x = 18,525,422.52
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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.