Finding the Fourth Proportional to 10,828,905.66, 14,943,892.23 and 6,478,173.18
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Solution
The fourth proportional to 10,828,905.66, 14,943,892.23 and 6,478,173.18 is: 8,939,880.44
Step by Step Solution
- Step 1: Write the proportion equation
10,828,905.66 : 14,943,892.23 = 6,478,173.18 : x - Step 2: Convert to fraction form
10,828,905.66/14,943,892.23 = 6,478,173.18/x - Step 3: Cross multiply
10,828,905.66x = 14,943,892.23 × 6,478,173.18 - Step 4: Simplify right side
10,828,905.66x = 96,809,121,849,196.39 - Step 5: Solve for x
x = 96,809,121,849,196.39/10,828,905.66 - Step 6: Final answer
x = 8,939,880.44
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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.