Finding the Fourth Proportional to 14,121,491.48, 19,486,098.98 and 7,925,117.01
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Solution
The fourth proportional to 14,121,491.48, 19,486,098.98 and 7,925,117.01 is: 10,935,786.39
Step by Step Solution
- Step 1: Write the proportion equation
14,121,491.48 : 19,486,098.98 = 7,925,117.01 : x - Step 2: Convert to fraction form
14,121,491.48/19,486,098.98 = 7,925,117.01/x - Step 3: Cross multiply
14,121,491.48x = 19,486,098.98 × 7,925,117.01 - Step 4: Simplify right side
14,121,491.48x = 154,429,614,347,885.59 - Step 5: Solve for x
x = 154,429,614,347,885.59/14,121,491.48 - Step 6: Final answer
x = 10,935,786.39
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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.