Finding the Fourth Proportional to 10,497,874.88, 15,746,812.32 and 2,519,698.88
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Solution
The fourth proportional to 10,497,874.88, 15,746,812.32 and 2,519,698.88 is: 3,779,548.32
Step by Step Solution
- Step 1: Write the proportion equation
10,497,874.88 : 15,746,812.32 = 2,519,698.88 : x - Step 2: Convert to fraction form
10,497,874.88/15,746,812.32 = 2,519,698.88/x - Step 3: Cross multiply
10,497,874.88x = 15,746,812.32 × 2,519,698.88 - Step 4: Simplify right side
10,497,874.88x = 39,677,225,366,274.20 - Step 5: Solve for x
x = 39,677,225,366,274.20/10,497,874.88 - Step 6: Final answer
x = 3,779,548.32
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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.