Finding the Fourth Proportional to 31,984,745.40, 47,977,258.64 and 10,125,232.07
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Solution
The fourth proportional to 31,984,745.40, 47,977,258.64 and 10,125,232.07 is: 15,187,892.59
Step by Step Solution
- Step 1: Write the proportion equation
31,984,745.40 : 47,977,258.64 = 10,125,232.07 : x - Step 2: Convert to fraction form
31,984,745.40/47,977,258.64 = 10,125,232.07/x - Step 3: Cross multiply
31,984,745.40x = 47,977,258.64 × 10,125,232.07 - Step 4: Simplify right side
31,984,745.40x = 485,780,877,521,900.06 - Step 5: Solve for x
x = 485,780,877,521,900.06/31,984,745.40 - Step 6: Final answer
x = 15,187,892.59
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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.