Finding the Fourth Proportional to 9,558,340.80, 14,337,511.20 and 7,668,772.80
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Solution
The fourth proportional to 9,558,340.80, 14,337,511.20 and 7,668,772.80 is: 11,503,159.20
Step by Step Solution
- Step 1: Write the proportion equation
9,558,340.80 : 14,337,511.20 = 7,668,772.80 : x - Step 2: Convert to fraction form
9,558,340.80/14,337,511.20 = 7,668,772.80/x - Step 3: Cross multiply
9,558,340.80x = 14,337,511.20 × 7,668,772.80 - Step 4: Simplify right side
9,558,340.80x = 109,951,115,910,255.36 - Step 5: Solve for x
x = 109,951,115,910,255.36/9,558,340.80 - Step 6: Final answer
x = 11,503,159.20
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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.