Finding the Fourth Proportional to 10,261,295.54, 14,143,329.86 and 7,779,694.42
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Solution
The fourth proportional to 10,261,295.54, 14,143,329.86 and 7,779,694.42 is: 10,722,893.99
Step by Step Solution
- Step 1: Write the proportion equation
10,261,295.54 : 14,143,329.86 = 7,779,694.42 : x - Step 2: Convert to fraction form
10,261,295.54/14,143,329.86 = 7,779,694.42/x - Step 3: Cross multiply
10,261,295.54x = 14,143,329.86 × 7,779,694.42 - Step 4: Simplify right side
10,261,295.54x = 110,030,784,317,804.59 - Step 5: Solve for x
x = 110,030,784,317,804.59/10,261,295.54 - Step 6: Final answer
x = 10,722,893.99
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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.