Finding the Fourth Proportional to 11,506,810.66, 15,879,366.16 and 6,350,135.33
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Solution
The fourth proportional to 11,506,810.66, 15,879,366.16 and 6,350,135.33 is: 8,763,168.80
Step by Step Solution
- Step 1: Write the proportion equation
11,506,810.66 : 15,879,366.16 = 6,350,135.33 : x - Step 2: Convert to fraction form
11,506,810.66/15,879,366.16 = 6,350,135.33/x - Step 3: Cross multiply
11,506,810.66x = 15,879,366.16 × 6,350,135.33 - Step 4: Simplify right side
11,506,810.66x = 100,836,124,094,445.50 - Step 5: Solve for x
x = 100,836,124,094,445.50/11,506,810.66 - Step 6: Final answer
x = 8,763,168.80
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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.