Finding the Fourth Proportional to 38,862,939.84, 53,611,486.17 and 23,170,897.32
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Solution
The fourth proportional to 38,862,939.84, 53,611,486.17 and 23,170,897.32 is: 31,964,289.02
Step by Step Solution
- Step 1: Write the proportion equation
38,862,939.84 : 53,611,486.17 = 23,170,897.32 : x - Step 2: Convert to fraction form
38,862,939.84/53,611,486.17 = 23,170,897.32/x - Step 3: Cross multiply
38,862,939.84x = 53,611,486.17 × 23,170,897.32 - Step 4: Simplify right side
38,862,939.84x = 1,242,226,241,217,670 - Step 5: Solve for x
x = 1,242,226,241,217,670/38,862,939.84 - Step 6: Final answer
x = 31,964,289.02
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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.