Finding the Fourth Proportional to 16,863,980.70, 25,292,185.11 and 7,757,332.14
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Solution
The fourth proportional to 16,863,980.70, 25,292,185.11 and 7,757,332.14 is: 11,634,256.70
Step by Step Solution
- Step 1: Write the proportion equation
16,863,980.70 : 25,292,185.11 = 7,757,332.14 : x - Step 2: Convert to fraction form
16,863,980.70/25,292,185.11 = 7,757,332.14/x - Step 3: Cross multiply
16,863,980.70x = 25,292,185.11 × 7,757,332.14 - Step 4: Simplify right side
16,863,980.70x = 196,199,880,444,632.44 - Step 5: Solve for x
x = 196,199,880,444,632.44/16,863,980.70 - Step 6: Final answer
x = 11,634,256.70
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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.