Finding the Fourth Proportional to 38,142,759.68, 57,212,860.11 and 16,577,359.57
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Solution
The fourth proportional to 38,142,759.68, 57,212,860.11 and 16,577,359.57 is: 24,865,483.31
Step by Step Solution
- Step 1: Write the proportion equation
38,142,759.68 : 57,212,860.11 = 16,577,359.57 : x - Step 2: Convert to fraction form
38,142,759.68/57,212,860.11 = 16,577,359.57/x - Step 3: Cross multiply
38,142,759.68x = 57,212,860.11 × 16,577,359.57 - Step 4: Simplify right side
38,142,759.68x = 948,438,154,071,579.75 - Step 5: Solve for x
x = 948,438,154,071,579.75/38,142,759.68 - Step 6: Final answer
x = 24,865,483.31
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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.