Finding the Fourth Proportional to 7,713,088.44, 11,569,746.96 and 2,919,490.68
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Solution
The fourth proportional to 7,713,088.44, 11,569,746.96 and 2,919,490.68 is: 4,379,279.28
Step by Step Solution
- Step 1: Write the proportion equation
7,713,088.44 : 11,569,746.96 = 2,919,490.68 : x - Step 2: Convert to fraction form
7,713,088.44/11,569,746.96 = 2,919,490.68/x - Step 3: Cross multiply
7,713,088.44x = 11,569,746.96 × 2,919,490.68 - Step 4: Simplify right side
7,713,088.44x = 33,777,768,419,678.34 - Step 5: Solve for x
x = 33,777,768,419,678.34/7,713,088.44 - Step 6: Final answer
x = 4,379,279.28
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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.