Finding the Fourth Proportional to 8,465,386.84, 11,680,232.56 and 4,980,877.71
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Solution
The fourth proportional to 8,465,386.84, 11,680,232.56 and 4,980,877.71 is: 6,872,433.72
Step by Step Solution
- Step 1: Write the proportion equation
8,465,386.84 : 11,680,232.56 = 4,980,877.71 : x - Step 2: Convert to fraction form
8,465,386.84/11,680,232.56 = 4,980,877.71/x - Step 3: Cross multiply
8,465,386.84x = 11,680,232.56 × 4,980,877.71 - Step 4: Simplify right side
8,465,386.84x = 58,177,810,005,720.24 - Step 5: Solve for x
x = 58,177,810,005,720.24/8,465,386.84 - Step 6: Final answer
x = 6,872,433.72
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1.5x scale
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.