Finding the Fourth Proportional to 9,328,164.84, 12,873,267.09 and 5,198,201.64
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Solution
The fourth proportional to 9,328,164.84, 12,873,267.09 and 5,198,201.64 is: 7,173,740.95
Step by Step Solution
- Step 1: Write the proportion equation
9,328,164.84 : 12,873,267.09 = 5,198,201.64 : x - Step 2: Convert to fraction form
9,328,164.84/12,873,267.09 = 5,198,201.64/x - Step 3: Cross multiply
9,328,164.84x = 12,873,267.09 × 5,198,201.64 - Step 4: Simplify right side
9,328,164.84x = 66,917,838,099,396.02 - Step 5: Solve for x
x = 66,917,838,099,396.02/9,328,164.84 - Step 6: Final answer
x = 7,173,740.95
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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.