Finding the Fourth Proportional to 19,409,478.40, 29,114,217.60 and 14,930,502.40
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Solution
The fourth proportional to 19,409,478.40, 29,114,217.60 and 14,930,502.40 is: 22,395,753.60
Step by Step Solution
- Step 1: Write the proportion equation
19,409,478.40 : 29,114,217.60 = 14,930,502.40 : x - Step 2: Convert to fraction form
19,409,478.40/29,114,217.60 = 14,930,502.40/x - Step 3: Cross multiply
19,409,478.40x = 29,114,217.60 × 14,930,502.40 - Step 4: Simplify right side
19,409,478.40x = 434,689,895,750,922.25 - Step 5: Solve for x
x = 434,689,895,750,922.25/19,409,478.40 - Step 6: Final answer
x = 22,395,753.60
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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.