Finding the Fourth Proportional to 26,107,671.42, 36,020,729.61 and 15,649,872.12
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Solution
The fourth proportional to 26,107,671.42, 36,020,729.61 and 15,649,872.12 is: 21,592,113.79
Step by Step Solution
- Step 1: Write the proportion equation
26,107,671.42 : 36,020,729.61 = 15,649,872.12 : x - Step 2: Convert to fraction form
26,107,671.42/36,020,729.61 = 15,649,872.12/x - Step 3: Cross multiply
26,107,671.42x = 36,020,729.61 × 15,649,872.12 - Step 4: Simplify right side
26,107,671.42x = 563,719,812,065,597.38 - Step 5: Solve for x
x = 563,719,812,065,597.38/26,107,671.42 - Step 6: Final answer
x = 21,592,113.79
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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.