Finding the Fourth Proportional to 8,780,973.74, 13,171,386.72 and 6,863,497.80
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Solution
The fourth proportional to 8,780,973.74, 13,171,386.72 and 6,863,497.80 is: 10,295,188.94
Step by Step Solution
- Step 1: Write the proportion equation
8,780,973.74 : 13,171,386.72 = 6,863,497.80 : x - Step 2: Convert to fraction form
8,780,973.74/13,171,386.72 = 6,863,497.80/x - Step 3: Cross multiply
8,780,973.74x = 13,171,386.72 × 6,863,497.80 - Step 4: Simplify right side
8,780,973.74x = 90,401,783,709,812.28 - Step 5: Solve for x
x = 90,401,783,709,812.28/8,780,973.74 - Step 6: Final answer
x = 10,295,188.94
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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.