Finding the Fourth Proportional to 13,528,176.60, 20,292,264.90 and 10,299,672.53
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Solution
The fourth proportional to 13,528,176.60, 20,292,264.90 and 10,299,672.53 is: 15,449,508.79
Step by Step Solution
- Step 1: Write the proportion equation
13,528,176.60 : 20,292,264.90 = 10,299,672.53 : x - Step 2: Convert to fraction form
13,528,176.60/20,292,264.90 = 10,299,672.53/x - Step 3: Cross multiply
13,528,176.60x = 20,292,264.90 × 10,299,672.53 - Step 4: Simplify right side
13,528,176.60x = 209,003,683,260,551.88 - Step 5: Solve for x
x = 209,003,683,260,551.88/13,528,176.60 - Step 6: Final answer
x = 15,449,508.79
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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.