Finding the Fourth Proportional to 7,651,835.10, 10,559,403.99 and 4,214,395.98
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Solution
The fourth proportional to 7,651,835.10, 10,559,403.99 and 4,214,395.98 is: 5,815,795.71
Step by Step Solution
- Step 1: Write the proportion equation
7,651,835.10 : 10,559,403.99 = 4,214,395.98 : x - Step 2: Convert to fraction form
7,651,835.10/10,559,403.99 = 4,214,395.98/x - Step 3: Cross multiply
7,651,835.10x = 10,559,403.99 × 4,214,395.98 - Step 4: Simplify right side
7,651,835.10x = 44,501,509,726,651.97 - Step 5: Solve for x
x = 44,501,509,726,651.97/7,651,835.10 - Step 6: Final answer
x = 5,815,795.71
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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.