Finding the Fourth Proportional to 7,346,753.10, 11,017,246.05 and 2,795,384.70
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Solution
The fourth proportional to 7,346,753.10, 11,017,246.05 and 2,795,384.70 is: 4,191,979.86
Step by Step Solution
- Step 1: Write the proportion equation
7,346,753.10 : 11,017,246.05 = 2,795,384.70 : x - Step 2: Convert to fraction form
7,346,753.10/11,017,246.05 = 2,795,384.70/x - Step 3: Cross multiply
7,346,753.10x = 11,017,246.05 × 2,795,384.70 - Step 4: Simplify right side
7,346,753.10x = 30,797,441,044,305.44 - Step 5: Solve for x
x = 30,797,441,044,305.44/7,346,753.10 - Step 6: Final answer
x = 4,191,979.86
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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.