Finding the Fourth Proportional to 7,715,553.63, 11,575,252.29 and 5,445,507.78
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Solution
The fourth proportional to 7,715,553.63, 11,575,252.29 and 5,445,507.78 is: 8,169,618.08
Step by Step Solution
- Step 1: Write the proportion equation
7,715,553.63 : 11,575,252.29 = 5,445,507.78 : x - Step 2: Convert to fraction form
7,715,553.63/11,575,252.29 = 5,445,507.78/x - Step 3: Cross multiply
7,715,553.63x = 11,575,252.29 × 5,445,507.78 - Step 4: Simplify right side
7,715,553.63x = 63,033,126,400,657.81 - Step 5: Solve for x
x = 63,033,126,400,657.81/7,715,553.63 - Step 6: Final answer
x = 8,169,618.08
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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.