Finding the Fourth Proportional to 10,368,917.70, 15,553,376.55 and 6,585,116.10
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Solution
The fourth proportional to 10,368,917.70, 15,553,376.55 and 6,585,116.10 is: 9,877,674.15
Step by Step Solution
- Step 1: Write the proportion equation
10,368,917.70 : 15,553,376.55 = 6,585,116.10 : x - Step 2: Convert to fraction form
10,368,917.70/15,553,376.55 = 6,585,116.10/x - Step 3: Cross multiply
10,368,917.70x = 15,553,376.55 × 6,585,116.10 - Step 4: Simplify right side
10,368,917.70x = 102,420,790,328,767.45 - Step 5: Solve for x
x = 102,420,790,328,767.45/10,368,917.70 - Step 6: Final answer
x = 9,877,674.15
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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.