Finding the Fourth Proportional to 8,780,985.41, 13,171,404.18 and 6,863,509.49
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Solution
The fourth proportional to 8,780,985.41, 13,171,404.18 and 6,863,509.49 is: 10,295,206.44
Step by Step Solution
- Step 1: Write the proportion equation
8,780,985.41 : 13,171,404.18 = 6,863,509.49 : x - Step 2: Convert to fraction form
8,780,985.41/13,171,404.18 = 6,863,509.49/x - Step 3: Cross multiply
8,780,985.41x = 13,171,404.18 × 6,863,509.49 - Step 4: Simplify right side
8,780,985.41x = 90,402,057,586,055.67 - Step 5: Solve for x
x = 90,402,057,586,055.67/8,780,985.41 - Step 6: Final answer
x = 10,295,206.44
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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.