Finding the Fourth Proportional to 10,332,070.40, 15,498,105.60 and 8,897,179.70
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Solution
The fourth proportional to 10,332,070.40, 15,498,105.60 and 8,897,179.70 is: 13,345,769.55
Step by Step Solution
- Step 1: Write the proportion equation
10,332,070.40 : 15,498,105.60 = 8,897,179.70 : x - Step 2: Convert to fraction form
10,332,070.40/15,498,105.60 = 8,897,179.70/x - Step 3: Cross multiply
10,332,070.40x = 15,498,105.60 × 8,897,179.70 - Step 4: Simplify right side
10,332,070.40x = 137,889,430,532,776.31 - Step 5: Solve for x
x = 137,889,430,532,776.31/10,332,070.40 - Step 6: Final answer
x = 13,345,769.55
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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.