Finding the Fourth Proportional to 10,278,748.19, 15,418,081.28 and 4,594,986.70
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Solution
The fourth proportional to 10,278,748.19, 15,418,081.28 and 4,594,986.70 is: 6,892,461.71
Step by Step Solution
- Step 1: Write the proportion equation
10,278,748.19 : 15,418,081.28 = 4,594,986.70 : x - Step 2: Convert to fraction form
10,278,748.19/15,418,081.28 = 4,594,986.70/x - Step 3: Cross multiply
10,278,748.19x = 15,418,081.28 × 4,594,986.70 - Step 4: Simplify right side
10,278,748.19x = 70,845,878,394,061.23 - Step 5: Solve for x
x = 70,845,878,394,061.23/10,278,748.19 - Step 6: Final answer
x = 6,892,461.71
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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.