Finding the Fourth Proportional to 15,220,480.56, 22,831,136.28 and 4,437,520.80
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Solution
The fourth proportional to 15,220,480.56, 22,831,136.28 and 4,437,520.80 is: 6,656,402.32
Step by Step Solution
- Step 1: Write the proportion equation
15,220,480.56 : 22,831,136.28 = 4,437,520.80 : x - Step 2: Convert to fraction form
15,220,480.56/22,831,136.28 = 4,437,520.80/x - Step 3: Cross multiply
15,220,480.56x = 22,831,136.28 × 4,437,520.80 - Step 4: Simplify right side
15,220,480.56x = 101,313,642,130,134.62 - Step 5: Solve for x
x = 101,313,642,130,134.62/15,220,480.56 - Step 6: Final answer
x = 6,656,402.32
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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.