Finding the Fourth Proportional to 10,828,906.66, 14,943,893.61 and 6,478,174.18
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Solution
The fourth proportional to 10,828,906.66, 14,943,893.61 and 6,478,174.18 is: 8,939,881.82
Step by Step Solution
- Step 1: Write the proportion equation
10,828,906.66 : 14,943,893.61 = 6,478,174.18 : x - Step 2: Convert to fraction form
10,828,906.66/14,943,893.61 = 6,478,174.18/x - Step 3: Cross multiply
10,828,906.66x = 14,943,893.61 × 6,478,174.18 - Step 4: Simplify right side
10,828,906.66x = 96,809,145,732,968.98 - Step 5: Solve for x
x = 96,809,145,732,968.98/10,828,906.66 - Step 6: Final answer
x = 8,939,881.82
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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.