Finding the Fourth Proportional to 8,238,660.86, 11,369,620.99 and 4,567,918.96
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Solution
The fourth proportional to 8,238,660.86, 11,369,620.99 and 4,567,918.96 is: 6,303,877.31
Step by Step Solution
- Step 1: Write the proportion equation
8,238,660.86 : 11,369,620.99 = 4,567,918.96 : x - Step 2: Convert to fraction form
8,238,660.86/11,369,620.99 = 4,567,918.96/x - Step 3: Cross multiply
8,238,660.86x = 11,369,620.99 × 4,567,918.96 - Step 4: Simplify right side
8,238,660.86x = 51,935,507,308,156.90 - Step 5: Solve for x
x = 51,935,507,308,156.90/8,238,660.86 - Step 6: Final answer
x = 6,303,877.31
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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.