Finding the Fourth Proportional to 38,265,921.18, 57,368,569.95 and 19,086,805.98
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Solution
The fourth proportional to 38,265,921.18, 57,368,569.95 and 19,086,805.98 is: 28,615,089.62
Step by Step Solution
- Step 1: Write the proportion equation
38,265,921.18 : 57,368,569.95 = 19,086,805.98 : x - Step 2: Convert to fraction form
38,265,921.18/57,368,569.95 = 19,086,805.98/x - Step 3: Cross multiply
38,265,921.18x = 57,368,569.95 × 19,086,805.98 - Step 4: Simplify right side
38,265,921.18x = 1,094,982,763,985,708.38 - Step 5: Solve for x
x = 1,094,982,763,985,708.38/38,265,921.18 - Step 6: Final answer
x = 28,615,089.62
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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.