Finding the Fourth Proportional to 23,408,285.12, 32,302,700.84 and 12,953,670.60
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Solution
The fourth proportional to 23,408,285.12, 32,302,700.84 and 12,953,670.60 is: 17,875,660.01
Step by Step Solution
- Step 1: Write the proportion equation
23,408,285.12 : 32,302,700.84 = 12,953,670.60 : x - Step 2: Convert to fraction form
23,408,285.12/32,302,700.84 = 12,953,670.60/x - Step 3: Cross multiply
23,408,285.12x = 32,302,700.84 × 12,953,670.60 - Step 4: Simplify right side
23,408,285.12x = 418,438,546,171,703.31 - Step 5: Solve for x
x = 418,438,546,171,703.31/23,408,285.12 - Step 6: Final answer
x = 17,875,660.01
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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.