Finding the Fourth Proportional to 11,507,825.49, 15,880,574.08 and 6,280,871.13
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Solution
The fourth proportional to 11,507,825.49, 15,880,574.08 and 6,280,871.13 is: 8,667,479.30
Step by Step Solution
- Step 1: Write the proportion equation
11,507,825.49 : 15,880,574.08 = 6,280,871.13 : x - Step 2: Convert to fraction form
11,507,825.49/15,880,574.08 = 6,280,871.13/x - Step 3: Cross multiply
11,507,825.49x = 15,880,574.08 × 6,280,871.13 - Step 4: Simplify right side
11,507,825.49x = 99,743,839,266,898.31 - Step 5: Solve for x
x = 99,743,839,266,898.31/11,507,825.49 - Step 6: Final answer
x = 8,667,479.30
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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.