Finding the Fourth Proportional to 16,221,125.88, 22,383,622.62 and 9,693,455.76
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Solution
The fourth proportional to 16,221,125.88, 22,383,622.62 and 9,693,455.76 is: 13,376,053.99
Step by Step Solution
- Step 1: Write the proportion equation
16,221,125.88 : 22,383,622.62 = 9,693,455.76 : x - Step 2: Convert to fraction form
16,221,125.88/22,383,622.62 = 9,693,455.76/x - Step 3: Cross multiply
16,221,125.88x = 22,383,622.62 × 9,693,455.76 - Step 4: Simplify right side
16,221,125.88x = 216,974,655,615,505.28 - Step 5: Solve for x
x = 216,974,655,615,505.28/16,221,125.88 - Step 6: Final answer
x = 13,376,053.99
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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.