Finding the Fourth Proportional to 7,176,440.04, 9,903,414.96 and 3,913,246.52
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Solution
The fourth proportional to 7,176,440.04, 9,903,414.96 and 3,913,246.52 is: 5,400,240.78
Step by Step Solution
- Step 1: Write the proportion equation
7,176,440.04 : 9,903,414.96 = 3,913,246.52 : x - Step 2: Convert to fraction form
7,176,440.04/9,903,414.96 = 3,913,246.52/x - Step 3: Cross multiply
7,176,440.04x = 9,903,414.96 × 3,913,246.52 - Step 4: Simplify right side
7,176,440.04x = 38,754,504,128,335.95 - Step 5: Solve for x
x = 38,754,504,128,335.95/7,176,440.04 - Step 6: Final answer
x = 5,400,240.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.