Finding the Fourth Proportional to 7,566,406.12, 11,349,488.76 and 3,520,631.08
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Solution
The fourth proportional to 7,566,406.12, 11,349,488.76 and 3,520,631.08 is: 5,280,890.59
Step by Step Solution
- Step 1: Write the proportion equation
7,566,406.12 : 11,349,488.76 = 3,520,631.08 : x - Step 2: Convert to fraction form
7,566,406.12/11,349,488.76 = 3,520,631.08/x - Step 3: Cross multiply
7,566,406.12x = 11,349,488.76 × 3,520,631.08 - Step 4: Simplify right side
7,566,406.12x = 39,957,362,870,566.66 - Step 5: Solve for x
x = 39,957,362,870,566.66/7,566,406.12 - Step 6: Final answer
x = 5,280,890.59
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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.