Finding the Fourth Proportional to 29,974,425.74, 41,365,709.34 and 18,369,746.90
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Solution
The fourth proportional to 29,974,425.74, 41,365,709.34 and 18,369,746.90 is: 25,350,864.68
Step by Step Solution
- Step 1: Write the proportion equation
29,974,425.74 : 41,365,709.34 = 18,369,746.90 : x - Step 2: Convert to fraction form
29,974,425.74/41,365,709.34 = 18,369,746.90/x - Step 3: Cross multiply
29,974,425.74x = 41,365,709.34 × 18,369,746.90 - Step 4: Simplify right side
29,974,425.74x = 759,877,610,914,766 - Step 5: Solve for x
x = 759,877,610,914,766/29,974,425.74 - Step 6: Final answer
x = 25,350,864.68
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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.