Finding the Fourth Proportional to 10,063,440, 15,162,378.56 and 9,105,124.08
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Solution
The fourth proportional to 10,063,440, 15,162,378.56 and 9,105,124.08 is: 13,718,503.63
Step by Step Solution
- Step 1: Write the proportion equation
10,063,440 : 15,162,378.56 = 9,105,124.08 : x - Step 2: Convert to fraction form
10,063,440/15,162,378.56 = 9,105,124.08/x - Step 3: Cross multiply
10,063,440x = 15,162,378.56 × 9,105,124.08 - Step 4: Simplify right side
10,063,440x = 138,055,338,136,731.73 - Step 5: Solve for x
x = 138,055,338,136,731.73/10,063,440 - Step 6: Final answer
x = 13,718,503.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.