Finding the Fourth Proportional to 42,418,101.26, 63,538,872.53 and 26,988,962.06
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Solution
The fourth proportional to 42,418,101.26, 63,538,872.53 and 26,988,962.06 is: 40,427,274.42
Step by Step Solution
- Step 1: Write the proportion equation
42,418,101.26 : 63,538,872.53 = 26,988,962.06 : x - Step 2: Convert to fraction form
42,418,101.26/63,538,872.53 = 26,988,962.06/x - Step 3: Cross multiply
42,418,101.26x = 63,538,872.53 × 26,988,962.06 - Step 4: Simplify right side
42,418,101.26x = 1,714,848,220,071,248.50 - Step 5: Solve for x
x = 1,714,848,220,071,248.50/42,418,101.26 - Step 6: Final answer
x = 40,427,274.42
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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.