Finding the Fourth Proportional to 10,984,936.90, 16,477,405.35 and 6,494,901.70
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Solution
The fourth proportional to 10,984,936.90, 16,477,405.35 and 6,494,901.70 is: 9,742,352.55
Step by Step Solution
- Step 1: Write the proportion equation
10,984,936.90 : 16,477,405.35 = 6,494,901.70 : x - Step 2: Convert to fraction form
10,984,936.90/16,477,405.35 = 6,494,901.70/x - Step 3: Cross multiply
10,984,936.90x = 16,477,405.35 × 6,494,901.70 - Step 4: Simplify right side
10,984,936.90x = 107,019,128,019,304.09 - Step 5: Solve for x
x = 107,019,128,019,304.09/10,984,936.90 - Step 6: Final answer
x = 9,742,352.55
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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.