Finding the Fourth Proportional to 19,513,057.66, 29,258,240.94 and 7,383,458.12
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Solution
The fourth proportional to 19,513,057.66, 29,258,240.94 and 7,383,458.12 is: 11,070,894.19
Step by Step Solution
- Step 1: Write the proportion equation
19,513,057.66 : 29,258,240.94 = 7,383,458.12 : x - Step 2: Convert to fraction form
19,513,057.66/29,258,240.94 = 7,383,458.12/x - Step 3: Cross multiply
19,513,057.66x = 29,258,240.94 × 7,383,458.12 - Step 4: Simplify right side
19,513,057.66x = 216,026,996,645,359.44 - Step 5: Solve for x
x = 216,026,996,645,359.44/19,513,057.66 - Step 6: Final answer
x = 11,070,894.19
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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.