Finding the Fourth Proportional to 32,181,605.20, 48,272,407.80 and 18,576,715.60
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Solution
The fourth proportional to 32,181,605.20, 48,272,407.80 and 18,576,715.60 is: 27,865,073.40
Step by Step Solution
- Step 1: Write the proportion equation
32,181,605.20 : 48,272,407.80 = 18,576,715.60 : x - Step 2: Convert to fraction form
32,181,605.20/48,272,407.80 = 18,576,715.60/x - Step 3: Cross multiply
32,181,605.20x = 48,272,407.80 × 18,576,715.60 - Step 4: Simplify right side
32,181,605.20x = 896,742,791,027,821.75 - Step 5: Solve for x
x = 896,742,791,027,821.75/32,181,605.20 - Step 6: Final answer
x = 27,865,073.40
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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.