Finding the Fourth Proportional to 10,265,372.66, 14,165,991.09 and 5,681,418.74
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Solution
The fourth proportional to 10,265,372.66, 14,165,991.09 and 5,681,418.74 is: 7,840,234.34
Step by Step Solution
- Step 1: Write the proportion equation
10,265,372.66 : 14,165,991.09 = 5,681,418.74 : x - Step 2: Convert to fraction form
10,265,372.66/14,165,991.09 = 5,681,418.74/x - Step 3: Cross multiply
10,265,372.66x = 14,165,991.09 × 5,681,418.74 - Step 4: Simplify right side
10,265,372.66x = 80,482,927,249,399.03 - Step 5: Solve for x
x = 80,482,927,249,399.03/10,265,372.66 - Step 6: Final answer
x = 7,840,234.34
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1.5x scale
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.