Finding the Fourth Proportional to 6,913,077.63, 9,537,386.36 and 4,330,261.95
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Solution
The fourth proportional to 6,913,077.63, 9,537,386.36 and 4,330,261.95 is: 5,974,094.82
Step by Step Solution
- Step 1: Write the proportion equation
6,913,077.63 : 9,537,386.36 = 4,330,261.95 : x - Step 2: Convert to fraction form
6,913,077.63/9,537,386.36 = 4,330,261.95/x - Step 3: Cross multiply
6,913,077.63x = 9,537,386.36 × 4,330,261.95 - Step 4: Simplify right side
6,913,077.63x = 41,299,381,235,505.70 - Step 5: Solve for x
x = 41,299,381,235,505.70/6,913,077.63 - Step 6: Final answer
x = 5,974,094.82
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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.