Finding the Fourth Proportional to 8,600,776.72, 12,909,136.68 and 4,343,934.36
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Solution
The fourth proportional to 8,600,776.72, 12,909,136.68 and 4,343,934.36 is: 6,519,927.70
Step by Step Solution
- Step 1: Write the proportion equation
8,600,776.72 : 12,909,136.68 = 4,343,934.36 : x - Step 2: Convert to fraction form
8,600,776.72/12,909,136.68 = 4,343,934.36/x - Step 3: Cross multiply
8,600,776.72x = 12,909,136.68 × 4,343,934.36 - Step 4: Simplify right side
8,600,776.72x = 56,076,442,382,188.33 - Step 5: Solve for x
x = 56,076,442,382,188.33/8,600,776.72 - Step 6: Final answer
x = 6,519,927.70
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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.