Finding the Fourth Proportional to 32,377,491.20, 44,683,484.88 and 18,439,435.68
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Solution
The fourth proportional to 32,377,491.20, 44,683,484.88 and 18,439,435.68 is: 25,447,871.80
Step by Step Solution
- Step 1: Write the proportion equation
32,377,491.20 : 44,683,484.88 = 18,439,435.68 : x - Step 2: Convert to fraction form
32,377,491.20/44,683,484.88 = 18,439,435.68/x - Step 3: Cross multiply
32,377,491.20x = 44,683,484.88 × 18,439,435.68 - Step 4: Simplify right side
32,377,491.20x = 823,938,245,403,012.50 - Step 5: Solve for x
x = 823,938,245,403,012.50/32,377,491.20 - Step 6: Final answer
x = 25,447,871.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.