Finding the Fourth Proportional to 10,639,457.35, 15,961,427.71 and 3,450,430.70
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Solution
The fourth proportional to 10,639,457.35, 15,961,427.71 and 3,450,430.70 is: 5,176,373.04
Step by Step Solution
- Step 1: Write the proportion equation
10,639,457.35 : 15,961,427.71 = 3,450,430.70 : x - Step 2: Convert to fraction form
10,639,457.35/15,961,427.71 = 3,450,430.70/x - Step 3: Cross multiply
10,639,457.35x = 15,961,427.71 × 3,450,430.70 - Step 4: Simplify right side
10,639,457.35x = 55,073,800,186,414.70 - Step 5: Solve for x
x = 55,073,800,186,414.70/10,639,457.35 - Step 6: Final answer
x = 5,176,373.04
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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.