Finding the Fourth Proportional to 13,306,803.14, 18,358,877.85 and 10,855,176.14
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Solution
The fourth proportional to 13,306,803.14, 18,358,877.85 and 10,855,176.14 is: 14,976,463.59
Step by Step Solution
- Step 1: Write the proportion equation
13,306,803.14 : 18,358,877.85 = 10,855,176.14 : x - Step 2: Convert to fraction form
13,306,803.14/18,358,877.85 = 10,855,176.14/x - Step 3: Cross multiply
13,306,803.14x = 18,358,877.85 × 10,855,176.14 - Step 4: Simplify right side
13,306,803.14x = 199,288,852,702,700.12 - Step 5: Solve for x
x = 199,288,852,702,700.12/13,306,803.14 - Step 6: Final answer
x = 14,976,463.59
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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.