Finding the Fourth Proportional to 29,986,915.74, 44,980,373.59 and 7,267,812.99
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Solution
The fourth proportional to 29,986,915.74, 44,980,373.59 and 7,267,812.99 is: 10,901,719.48
Step by Step Solution
- Step 1: Write the proportion equation
29,986,915.74 : 44,980,373.59 = 7,267,812.99 : x - Step 2: Convert to fraction form
29,986,915.74/44,980,373.59 = 7,267,812.99/x - Step 3: Cross multiply
29,986,915.74x = 44,980,373.59 × 7,267,812.99 - Step 4: Simplify right side
29,986,915.74x = 326,908,943,285,609 - Step 5: Solve for x
x = 326,908,943,285,609/29,986,915.74 - Step 6: Final answer
x = 10,901,719.48
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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.