Finding the Fourth Proportional to 13,060,952.40, 19,586,302.20 and 4,969,630.80
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Solution
The fourth proportional to 13,060,952.40, 19,586,302.20 and 4,969,630.80 is: 7,452,495.63
Step by Step Solution
- Step 1: Write the proportion equation
13,060,952.40 : 19,586,302.20 = 4,969,630.80 : x - Step 2: Convert to fraction form
13,060,952.40/19,586,302.20 = 4,969,630.80/x - Step 3: Cross multiply
13,060,952.40x = 19,586,302.20 × 4,969,630.80 - Step 4: Simplify right side
13,060,952.40x = 97,336,690,671,227.75 - Step 5: Solve for x
x = 97,336,690,671,227.75/13,060,952.40 - Step 6: Final answer
x = 7,452,495.63
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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.