Finding the Fourth Proportional to 7,129,063.20, 10,696,219.20 and 2,336,908.80
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Solution
The fourth proportional to 7,129,063.20, 10,696,219.20 and 2,336,908.80 is: 3,506,223.48
Step by Step Solution
- Step 1: Write the proportion equation
7,129,063.20 : 10,696,219.20 = 2,336,908.80 : x - Step 2: Convert to fraction form
7,129,063.20/10,696,219.20 = 2,336,908.80/x - Step 3: Cross multiply
7,129,063.20x = 10,696,219.20 × 2,336,908.80 - Step 4: Simplify right side
7,129,063.20x = 24,996,088,775,208.96 - Step 5: Solve for x
x = 24,996,088,775,208.96/7,129,063.20 - Step 6: Final answer
x = 3,506,223.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.