Finding the Fourth Proportional to 10,712,555.36, 14,787,850.26 and 7,232,608.26
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Solution
The fourth proportional to 10,712,555.36, 14,787,850.26 and 7,232,608.26 is: 9,984,053.70
Step by Step Solution
- Step 1: Write the proportion equation
10,712,555.36 : 14,787,850.26 = 7,232,608.26 : x - Step 2: Convert to fraction form
10,712,555.36/14,787,850.26 = 7,232,608.26/x - Step 3: Cross multiply
10,712,555.36x = 14,787,850.26 × 7,232,608.26 - Step 4: Simplify right side
10,712,555.36x = 106,954,727,938,119.14 - Step 5: Solve for x
x = 106,954,727,938,119.14/10,712,555.36 - Step 6: Final answer
x = 9,984,053.70
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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.