Finding the Fourth Proportional to 10,201,515.80, 15,302,273.70 and 8,872,913.30
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Solution
The fourth proportional to 10,201,515.80, 15,302,273.70 and 8,872,913.30 is: 13,309,369.95
Step by Step Solution
- Step 1: Write the proportion equation
10,201,515.80 : 15,302,273.70 = 8,872,913.30 : x - Step 2: Convert to fraction form
10,201,515.80/15,302,273.70 = 8,872,913.30/x - Step 3: Cross multiply
10,201,515.80x = 15,302,273.70 × 8,872,913.30 - Step 4: Simplify right side
10,201,515.80x = 135,775,747,832,970.22 - Step 5: Solve for x
x = 135,775,747,832,970.22/10,201,515.80 - Step 6: Final answer
x = 13,309,369.95
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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.