Finding the Fourth Proportional to 11,383,887.30, 15,710,139.18 and 6,227,130.84
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Solution
The fourth proportional to 11,383,887.30, 15,710,139.18 and 6,227,130.84 is: 8,593,645.53
Step by Step Solution
- Step 1: Write the proportion equation
11,383,887.30 : 15,710,139.18 = 6,227,130.84 : x - Step 2: Convert to fraction form
11,383,887.30/15,710,139.18 = 6,227,130.84/x - Step 3: Cross multiply
11,383,887.30x = 15,710,139.18 × 6,227,130.84 - Step 4: Simplify right side
11,383,887.30x = 97,829,092,188,470.31 - Step 5: Solve for x
x = 97,829,092,188,470.31/11,383,887.30 - Step 6: Final answer
x = 8,593,645.53
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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.