Finding the Fourth Proportional to 14,921,107.20, 22,381,660.80 and 5,336,798.40
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Solution
The fourth proportional to 14,921,107.20, 22,381,660.80 and 5,336,798.40 is: 8,005,197.60
Step by Step Solution
- Step 1: Write the proportion equation
14,921,107.20 : 22,381,660.80 = 5,336,798.40 : x - Step 2: Convert to fraction form
14,921,107.20/22,381,660.80 = 5,336,798.40/x - Step 3: Cross multiply
14,921,107.20x = 22,381,660.80 × 5,336,798.40 - Step 4: Simplify right side
14,921,107.20x = 119,446,411,546,782.73 - Step 5: Solve for x
x = 119,446,411,546,782.73/14,921,107.20 - Step 6: Final answer
x = 8,005,197.60
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1.5x scale
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.