Finding the Fourth Proportional to 38,415,844.62, 57,623,865.35 and 15,696,741.87
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Solution
The fourth proportional to 38,415,844.62, 57,623,865.35 and 15,696,741.87 is: 23,545,153.02
Step by Step Solution
- Step 1: Write the proportion equation
38,415,844.62 : 57,623,865.35 = 15,696,741.87 : x - Step 2: Convert to fraction form
38,415,844.62/57,623,865.35 = 15,696,741.87/x - Step 3: Cross multiply
38,415,844.62x = 57,623,865.35 × 15,696,741.87 - Step 4: Simplify right side
38,415,844.62x = 904,506,939,872,103.38 - Step 5: Solve for x
x = 904,506,939,872,103.38/38,415,844.62 - Step 6: Final answer
x = 23,545,153.02
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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.