Finding the Fourth Proportional to 49,425,890.40, 74,152,832.40 and 15,350,680.80
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Solution
The fourth proportional to 49,425,890.40, 74,152,832.40 and 15,350,680.80 is: 23,030,368.32
Step by Step Solution
- Step 1: Write the proportion equation
49,425,890.40 : 74,152,832.40 = 15,350,680.80 : x - Step 2: Convert to fraction form
49,425,890.40/74,152,832.40 = 15,350,680.80/x - Step 3: Cross multiply
49,425,890.40x = 74,152,832.40 × 15,350,680.80 - Step 4: Simplify right side
49,425,890.40x = 1,138,296,460,588,298 - Step 5: Solve for x
x = 1,138,296,460,588,298/49,425,890.40 - Step 6: Final answer
x = 23,030,368.32
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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.