Finding the Fourth Proportional to 16,391,788.06, 22,599,638.68 and 13,440,732.70
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Solution
The fourth proportional to 16,391,788.06, 22,599,638.68 and 13,440,732.70 is: 18,530,968.16
Step by Step Solution
- Step 1: Write the proportion equation
16,391,788.06 : 22,599,638.68 = 13,440,732.70 : x - Step 2: Convert to fraction form
16,391,788.06/22,599,638.68 = 13,440,732.70/x - Step 3: Cross multiply
16,391,788.06x = 22,599,638.68 × 13,440,732.70 - Step 4: Simplify right side
16,391,788.06x = 303,755,702,614,460.81 - Step 5: Solve for x
x = 303,755,702,614,460.81/16,391,788.06 - Step 6: Final answer
x = 18,530,968.16
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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.