Finding the Fourth Proportional to 10,392,542.96, 15,479,228 and 9,926,252.80
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Solution
The fourth proportional to 10,392,542.96, 15,479,228 and 9,926,252.80 is: 14,784,709.66
Step by Step Solution
- Step 1: Write the proportion equation
10,392,542.96 : 15,479,228 = 9,926,252.80 : x - Step 2: Convert to fraction form
10,392,542.96/15,479,228 = 9,926,252.80/x - Step 3: Cross multiply
10,392,542.96x = 15,479,228 × 9,926,252.80 - Step 4: Simplify right side
10,392,542.96x = 153,650,730,276,838.41 - Step 5: Solve for x
x = 153,650,730,276,838.41/10,392,542.96 - Step 6: Final answer
x = 14,784,709.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.