Finding the Fourth Proportional to 38,962,931.60, 53,765,183.07 and 26,378,385.66
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Solution
The fourth proportional to 38,962,931.60, 53,765,183.07 and 26,378,385.66 is: 36,399,692.63
Step by Step Solution
- Step 1: Write the proportion equation
38,962,931.60 : 53,765,183.07 = 26,378,385.66 : x - Step 2: Convert to fraction form
38,962,931.60/53,765,183.07 = 26,378,385.66/x - Step 3: Cross multiply
38,962,931.60x = 53,765,183.07 × 26,378,385.66 - Step 4: Simplify right side
38,962,931.60x = 1,418,238,734,100,962.75 - Step 5: Solve for x
x = 1,418,238,734,100,962.75/38,962,931.60 - Step 6: Final answer
x = 36,399,692.63
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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.