Finding the Fourth Proportional to 14,367,679.62, 21,550,746.74 and 7,073,868.09
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Solution
The fourth proportional to 14,367,679.62, 21,550,746.74 and 7,073,868.09 is: 10,610,421.70
Step by Step Solution
- Step 1: Write the proportion equation
14,367,679.62 : 21,550,746.74 = 7,073,868.09 : x - Step 2: Convert to fraction form
14,367,679.62/21,550,746.74 = 7,073,868.09/x - Step 3: Cross multiply
14,367,679.62x = 21,550,746.74 × 7,073,868.09 - Step 4: Simplify right side
14,367,679.62x = 152,447,139,679,757.50 - Step 5: Solve for x
x = 152,447,139,679,757.50/14,367,679.62 - Step 6: Final answer
x = 10,610,421.70
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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.