Finding the Fourth Proportional to 11,309,947.74, 15,607,795.50 and 6,153,345.99
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Solution
The fourth proportional to 11,309,947.74, 15,607,795.50 and 6,153,345.99 is: 8,491,654.26
Step by Step Solution
- Step 1: Write the proportion equation
11,309,947.74 : 15,607,795.50 = 6,153,345.99 : x - Step 2: Convert to fraction form
11,309,947.74/15,607,795.50 = 6,153,345.99/x - Step 3: Cross multiply
11,309,947.74x = 15,607,795.50 × 6,153,345.99 - Step 4: Simplify right side
11,309,947.74x = 96,040,165,852,665.05 - Step 5: Solve for x
x = 96,040,165,852,665.05/11,309,947.74 - Step 6: Final answer
x = 8,491,654.26
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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.