Finding the Fourth Proportional to 10,366,299.80, 15,549,449.70 and 4,974,032.60
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Solution
The fourth proportional to 10,366,299.80, 15,549,449.70 and 4,974,032.60 is: 7,461,048.90
Step by Step Solution
- Step 1: Write the proportion equation
10,366,299.80 : 15,549,449.70 = 4,974,032.60 : x - Step 2: Convert to fraction form
10,366,299.80/15,549,449.70 = 4,974,032.60/x - Step 3: Cross multiply
10,366,299.80x = 15,549,449.70 × 4,974,032.60 - Step 4: Simplify right side
10,366,299.80x = 77,343,469,719,860.20 - Step 5: Solve for x
x = 77,343,469,719,860.20/10,366,299.80 - Step 6: Final answer
x = 7,461,048.90
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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.