Finding the Fourth Proportional to 13,183,431.03, 19,785,873.77 and 6,795,510.21
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Solution
The fourth proportional to 13,183,431.03, 19,785,873.77 and 6,795,510.21 is: 10,198,794.75
Step by Step Solution
- Step 1: Write the proportion equation
13,183,431.03 : 19,785,873.77 = 6,795,510.21 : x - Step 2: Convert to fraction form
13,183,431.03/19,785,873.77 = 6,795,510.21/x - Step 3: Cross multiply
13,183,431.03x = 19,785,873.77 × 6,795,510.21 - Step 4: Simplify right side
13,183,431.03x = 134,455,107,183,828.64 - Step 5: Solve for x
x = 134,455,107,183,828.64/13,183,431.03 - Step 6: Final answer
x = 10,198,794.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.