Finding the Fourth Proportional to 14,593,444.35, 20,137,993.53 and 8,397,491.02
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Solution
The fourth proportional to 14,593,444.35, 20,137,993.53 and 8,397,491.02 is: 11,587,985.38
Step by Step Solution
- Step 1: Write the proportion equation
14,593,444.35 : 20,137,993.53 = 8,397,491.02 : x - Step 2: Convert to fraction form
14,593,444.35/20,137,993.53 = 8,397,491.02/x - Step 3: Cross multiply
14,593,444.35x = 20,137,993.53 × 8,397,491.02 - Step 4: Simplify right side
14,593,444.35x = 169,108,619,828,993.09 - Step 5: Solve for x
x = 169,108,619,828,993.09/14,593,444.35 - Step 6: Final answer
x = 11,587,985.38
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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.