Finding the Fourth Proportional to 7,825,873.79, 10,798,088.60 and 4,518,110.70
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Solution
The fourth proportional to 7,825,873.79, 10,798,088.60 and 4,518,110.70 is: 6,234,059.09
Step by Step Solution
- Step 1: Write the proportion equation
7,825,873.79 : 10,798,088.60 = 4,518,110.70 : x - Step 2: Convert to fraction form
7,825,873.79/10,798,088.60 = 4,518,110.70/x - Step 3: Cross multiply
7,825,873.79x = 10,798,088.60 × 4,518,110.70 - Step 4: Simplify right side
7,825,873.79x = 48,786,959,654,503.30 - Step 5: Solve for x
x = 48,786,959,654,503.30/7,825,873.79 - Step 6: Final answer
x = 6,234,059.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.