Finding the Fourth Proportional to 10,145,422.97, 14,001,569.44 and 5,562,630.08
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Solution
The fourth proportional to 10,145,422.97, 14,001,569.44 and 5,562,630.08 is: 7,676,915.15
Step by Step Solution
- Step 1: Write the proportion equation
10,145,422.97 : 14,001,569.44 = 5,562,630.08 : x - Step 2: Convert to fraction form
10,145,422.97/14,001,569.44 = 5,562,630.08/x - Step 3: Cross multiply
10,145,422.97x = 14,001,569.44 × 5,562,630.08 - Step 4: Simplify right side
10,145,422.97x = 77,885,551,306,339.61 - Step 5: Solve for x
x = 77,885,551,306,339.61/10,145,422.97 - Step 6: Final answer
x = 7,676,915.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.