Finding the Fourth Proportional to 38,332,965.68, 52,904,131.44 and 21,817,106
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Solution
The fourth proportional to 38,332,965.68, 52,904,131.44 and 21,817,106 is: 30,110,246.44
Step by Step Solution
- Step 1: Write the proportion equation
38,332,965.68 : 52,904,131.44 = 21,817,106 : x - Step 2: Convert to fraction form
38,332,965.68/52,904,131.44 = 21,817,106/x - Step 3: Cross multiply
38,332,965.68x = 52,904,131.44 × 21,817,106 - Step 4: Simplify right side
38,332,965.68x = 1,154,215,043,464,412.50 - Step 5: Solve for x
x = 1,154,215,043,464,412.50/38,332,965.68 - Step 6: Final answer
x = 30,110,246.44
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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.