Finding the Fourth Proportional to 7,672,890.21, 10,588,589.37 and 4,235,132.13
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Solution
The fourth proportional to 7,672,890.21, 10,588,589.37 and 4,235,132.13 is: 5,844,482.83
Step by Step Solution
- Step 1: Write the proportion equation
7,672,890.21 : 10,588,589.37 = 4,235,132.13 : x - Step 2: Convert to fraction form
7,672,890.21/10,588,589.37 = 4,235,132.13/x - Step 3: Cross multiply
7,672,890.21x = 10,588,589.37 × 4,235,132.13 - Step 4: Simplify right side
7,672,890.21x = 44,844,075,052,263.45 - Step 5: Solve for x
x = 44,844,075,052,263.45/7,672,890.21 - Step 6: Final answer
x = 5,844,482.83
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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.