Finding the Fourth Proportional to 7,129,272.20, 10,696,532.70 and 2,337,117.80
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Solution
The fourth proportional to 7,129,272.20, 10,696,532.70 and 2,337,117.80 is: 3,506,537.03
Step by Step Solution
- Step 1: Write the proportion equation
7,129,272.20 : 10,696,532.70 = 2,337,117.80 : x - Step 2: Convert to fraction form
7,129,272.20/10,696,532.70 = 2,337,117.80/x - Step 3: Cross multiply
7,129,272.20x = 10,696,532.70 × 2,337,117.80 - Step 4: Simplify right side
7,129,272.20x = 24,999,056,971,452.05 - Step 5: Solve for x
x = 24,999,056,971,452.05/7,129,272.20 - Step 6: Final answer
x = 3,506,537.03
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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.