Finding the Fourth Proportional to 26,107,651.68, 36,020,702.34 and 15,649,852.28
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Solution
The fourth proportional to 26,107,651.68, 36,020,702.34 and 15,649,852.28 is: 21,592,086.39
Step by Step Solution
- Step 1: Write the proportion equation
26,107,651.68 : 36,020,702.34 = 15,649,852.28 : x - Step 2: Convert to fraction form
26,107,651.68/36,020,702.34 = 15,649,852.28/x - Step 3: Cross multiply
26,107,651.68x = 36,020,702.34 × 15,649,852.28 - Step 4: Simplify right side
26,107,651.68x = 563,718,670,642,850.38 - Step 5: Solve for x
x = 563,718,670,642,850.38/26,107,651.68 - Step 6: Final answer
x = 21,592,086.39
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1.5x scale
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.