Finding the Fourth Proportional to 13,261,070.16, 19,894,915.74 and 4,625,294.71
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Solution
The fourth proportional to 13,261,070.16, 19,894,915.74 and 4,625,294.71 is: 6,939,096.73
Step by Step Solution
- Step 1: Write the proportion equation
13,261,070.16 : 19,894,915.74 = 4,625,294.71 : x - Step 2: Convert to fraction form
13,261,070.16/19,894,915.74 = 4,625,294.71/x - Step 3: Cross multiply
13,261,070.16x = 19,894,915.74 × 4,625,294.71 - Step 4: Simplify right side
13,261,070.16x = 92,019,848,528,117.73 - Step 5: Solve for x
x = 92,019,848,528,117.73/13,261,070.16 - Step 6: Final answer
x = 6,939,096.73
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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.