Finding the Fourth Proportional to 7,817,332.56, 11,727,566.19 and 2,699,950.20
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Solution
The fourth proportional to 7,817,332.56, 11,727,566.19 and 2,699,950.20 is: 4,050,466.63
Step by Step Solution
- Step 1: Write the proportion equation
7,817,332.56 : 11,727,566.19 = 2,699,950.20 : x - Step 2: Convert to fraction form
7,817,332.56/11,727,566.19 = 2,699,950.20/x - Step 3: Cross multiply
7,817,332.56x = 11,727,566.19 × 2,699,950.20 - Step 4: Simplify right side
7,817,332.56x = 31,663,844,680,203.74 - Step 5: Solve for x
x = 31,663,844,680,203.74/7,817,332.56 - Step 6: Final answer
x = 4,050,466.63
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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.