Finding the Fourth Proportional to 9,475,147.99, 13,075,743.36 and 5,124,234.21
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Solution
The fourth proportional to 9,475,147.99, 13,075,743.36 and 5,124,234.21 is: 7,071,464.37
Step by Step Solution
- Step 1: Write the proportion equation
9,475,147.99 : 13,075,743.36 = 5,124,234.21 : x - Step 2: Convert to fraction form
9,475,147.99/13,075,743.36 = 5,124,234.21/x - Step 3: Cross multiply
9,475,147.99x = 13,075,743.36 × 5,124,234.21 - Step 4: Simplify right side
9,475,147.99x = 67,003,171,446,492.34 - Step 5: Solve for x
x = 67,003,171,446,492.34/9,475,147.99 - Step 6: Final answer
x = 7,071,464.37
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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.