Finding the Fourth Proportional to 8,784,083.93, 12,119,102.09 and 5,112,221.84
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Solution
The fourth proportional to 8,784,083.93, 12,119,102.09 and 5,112,221.84 is: 7,053,158.74
Step by Step Solution
- Step 1: Write the proportion equation
8,784,083.93 : 12,119,102.09 = 5,112,221.84 : x - Step 2: Convert to fraction form
8,784,083.93/12,119,102.09 = 5,112,221.84/x - Step 3: Cross multiply
8,784,083.93x = 12,119,102.09 × 5,112,221.84 - Step 4: Simplify right side
8,784,083.93x = 61,955,538,299,531.03 - Step 5: Solve for x
x = 61,955,538,299,531.03/8,784,083.93 - Step 6: Final answer
x = 7,053,158.74
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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.