Finding the Fourth Proportional to 8,566,670.72, 12,845,872.70 and 4,973,342.24
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Solution
The fourth proportional to 8,566,670.72, 12,845,872.70 and 4,973,342.24 is: 7,457,613.74
Step by Step Solution
- Step 1: Write the proportion equation
8,566,670.72 : 12,845,872.70 = 4,973,342.24 : x - Step 2: Convert to fraction form
8,566,670.72/12,845,872.70 = 4,973,342.24/x - Step 3: Cross multiply
8,566,670.72x = 12,845,872.70 × 4,973,342.24 - Step 4: Simplify right side
8,566,670.72x = 63,886,921,283,706.14 - Step 5: Solve for x
x = 63,886,921,283,706.14/8,566,670.72 - Step 6: Final answer
x = 7,457,613.74
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1.5x scale
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.