Finding the Fourth Proportional to 7,402,780.08, 10,193,126.27 and 6,479,844.21
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Solution
The fourth proportional to 7,402,780.08, 10,193,126.27 and 6,479,844.21 is: 8,922,306.15
Step by Step Solution
- Step 1: Write the proportion equation
7,402,780.08 : 10,193,126.27 = 6,479,844.21 : x - Step 2: Convert to fraction form
7,402,780.08/10,193,126.27 = 6,479,844.21/x - Step 3: Cross multiply
7,402,780.08x = 10,193,126.27 × 6,479,844.21 - Step 4: Simplify right side
7,402,780.08x = 66,049,870,210,059.18 - Step 5: Solve for x
x = 66,049,870,210,059.18/7,402,780.08 - Step 6: Final answer
x = 8,922,306.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.