Finding the Fourth Proportional to 12,216,136.06, 18,317,924.97 and 6,461,964.10
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Solution
The fourth proportional to 12,216,136.06, 18,317,924.97 and 6,461,964.10 is: 9,689,624.69
Step by Step Solution
- Step 1: Write the proportion equation
12,216,136.06 : 18,317,924.97 = 6,461,964.10 : x - Step 2: Convert to fraction form
12,216,136.06/18,317,924.97 = 6,461,964.10/x - Step 3: Cross multiply
12,216,136.06x = 18,317,924.97 × 6,461,964.10 - Step 4: Simplify right side
12,216,136.06x = 118,369,773,542,633.56 - Step 5: Solve for x
x = 118,369,773,542,633.56/12,216,136.06 - Step 6: Final answer
x = 9,689,624.69
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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.