Finding the Fourth Proportional to 12,802,645.48, 19,176,604.80 and 10,363,265.68
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Solution
The fourth proportional to 12,802,645.48, 19,176,604.80 and 10,363,265.68 is: 15,522,748.85
Step by Step Solution
- Step 1: Write the proportion equation
12,802,645.48 : 19,176,604.80 = 10,363,265.68 : x - Step 2: Convert to fraction form
12,802,645.48/19,176,604.80 = 10,363,265.68/x - Step 3: Cross multiply
12,802,645.48x = 19,176,604.80 × 10,363,265.68 - Step 4: Simplify right side
12,802,645.48x = 198,732,250,382,763.28 - Step 5: Solve for x
x = 198,732,250,382,763.28/12,802,645.48 - Step 6: Final answer
x = 15,522,748.85
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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.