Finding the Fourth Proportional to 53,166,671.96, 79,764,185.16 and 19,088,313.08
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Solution
The fourth proportional to 53,166,671.96, 79,764,185.16 and 19,088,313.08 is: 28,637,559.63
Step by Step Solution
- Step 1: Write the proportion equation
53,166,671.96 : 79,764,185.16 = 19,088,313.08 : x - Step 2: Convert to fraction form
53,166,671.96/79,764,185.16 = 19,088,313.08/x - Step 3: Cross multiply
53,166,671.96x = 79,764,185.16 × 19,088,313.08 - Step 4: Simplify right side
53,166,671.96x = 1,522,563,738,506,348.75 - Step 5: Solve for x
x = 1,522,563,738,506,348.75/53,166,671.96 - Step 6: Final answer
x = 28,637,559.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.