Finding the Fourth Proportional to 7,098,436.80, 10,631,908.80 and 6,153,652.80
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Solution
The fourth proportional to 7,098,436.80, 10,631,908.80 and 6,153,652.80 is: 9,216,828.61
Step by Step Solution
- Step 1: Write the proportion equation
7,098,436.80 : 10,631,908.80 = 6,153,652.80 : x - Step 2: Convert to fraction form
7,098,436.80/10,631,908.80 = 6,153,652.80/x - Step 3: Cross multiply
7,098,436.80x = 10,631,908.80 × 6,153,652.80 - Step 4: Simplify right side
7,098,436.80x = 65,425,075,356,464.64 - Step 5: Solve for x
x = 65,425,075,356,464.64/7,098,436.80 - Step 6: Final answer
x = 9,216,828.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.