Finding the Fourth Proportional to 10,286,342.84, 15,429,483.50 and 2,609,972.84
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Solution
The fourth proportional to 10,286,342.84, 15,429,483.50 and 2,609,972.84 is: 3,914,951.46
Step by Step Solution
- Step 1: Write the proportion equation
10,286,342.84 : 15,429,483.50 = 2,609,972.84 : x - Step 2: Convert to fraction form
10,286,342.84/15,429,483.50 = 2,609,972.84/x - Step 3: Cross multiply
10,286,342.84x = 15,429,483.50 × 2,609,972.84 - Step 4: Simplify right side
10,286,342.84x = 40,270,532,896,077.99 - Step 5: Solve for x
x = 40,270,532,896,077.99/10,286,342.84 - Step 6: Final answer
x = 3,914,951.46
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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.