Finding the Fourth Proportional to 42,418,568.08, 63,539,571.84 and 26,989,428.88
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Solution
The fourth proportional to 42,418,568.08, 63,539,571.84 and 26,989,428.88 is: 40,427,973.71
Step by Step Solution
- Step 1: Write the proportion equation
42,418,568.08 : 63,539,571.84 = 26,989,428.88 : x - Step 2: Convert to fraction form
42,418,568.08/63,539,571.84 = 26,989,428.88/x - Step 3: Cross multiply
42,418,568.08x = 63,539,571.84 × 26,989,428.88 - Step 4: Simplify right side
42,418,568.08x = 1,714,896,755,241,330.75 - Step 5: Solve for x
x = 1,714,896,755,241,330.75/42,418,568.08 - Step 6: Final answer
x = 40,427,973.71
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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.