Finding the Fourth Proportional to 12,090,202.36, 16,680,097.28 and 6,860,181.70
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Solution
The fourth proportional to 12,090,202.36, 16,680,097.28 and 6,860,181.70 is: 9,464,564.34
Step by Step Solution
- Step 1: Write the proportion equation
12,090,202.36 : 16,680,097.28 = 6,860,181.70 : x - Step 2: Convert to fraction form
12,090,202.36/16,680,097.28 = 6,860,181.70/x - Step 3: Cross multiply
12,090,202.36x = 16,680,097.28 × 6,860,181.70 - Step 4: Simplify right side
12,090,202.36x = 114,428,498,113,887.83 - Step 5: Solve for x
x = 114,428,498,113,887.83/12,090,202.36 - Step 6: Final answer
x = 9,464,564.34
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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.