Finding the Fourth Proportional to 18,235,769.63, 25,166,726.71 and 10,395,467.93
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Solution
The fourth proportional to 18,235,769.63, 25,166,726.71 and 10,395,467.93 is: 14,346,523.66
Step by Step Solution
- Step 1: Write the proportion equation
18,235,769.63 : 25,166,726.71 = 10,395,467.93 : x - Step 2: Convert to fraction form
18,235,769.63/25,166,726.71 = 10,395,467.93/x - Step 3: Cross multiply
18,235,769.63x = 25,166,726.71 × 10,395,467.93 - Step 4: Simplify right side
18,235,769.63x = 261,619,900,453,807.53 - Step 5: Solve for x
x = 261,619,900,453,807.53/18,235,769.63 - Step 6: Final answer
x = 14,346,523.66
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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.