Finding the Fourth Proportional to 15,341,950.18, 21,172,340.11 and 8,373,074.71
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Solution
The fourth proportional to 15,341,950.18, 21,172,340.11 and 8,373,074.71 is: 11,555,088.07
Step by Step Solution
- Step 1: Write the proportion equation
15,341,950.18 : 21,172,340.11 = 8,373,074.71 : x - Step 2: Convert to fraction form
15,341,950.18/21,172,340.11 = 8,373,074.71/x - Step 3: Cross multiply
15,341,950.18x = 21,172,340.11 × 8,373,074.71 - Step 4: Simplify right side
15,341,950.18x = 177,277,585,420,697.91 - Step 5: Solve for x
x = 177,277,585,420,697.91/15,341,950.18 - Step 6: Final answer
x = 11,555,088.07
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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.