Finding the Fourth Proportional to 10,657,812.10, 15,968,347.35 and 4,966,363.30
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Solution
The fourth proportional to 10,657,812.10, 15,968,347.35 and 4,966,363.30 is: 7,440,984.46
Step by Step Solution
- Step 1: Write the proportion equation
10,657,812.10 : 15,968,347.35 = 4,966,363.30 : x - Step 2: Convert to fraction form
10,657,812.10/15,968,347.35 = 4,966,363.30/x - Step 3: Cross multiply
10,657,812.10x = 15,968,347.35 × 4,966,363.30 - Step 4: Simplify right side
10,657,812.10x = 79,304,614,240,692.25 - Step 5: Solve for x
x = 79,304,614,240,692.25/10,657,812.10 - Step 6: Final answer
x = 7,440,984.46
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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.