Finding the Fourth Proportional to 25,101,986.60, 37,658,228.70 and 8,064,381.80
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Solution
The fourth proportional to 25,101,986.60, 37,658,228.70 and 8,064,381.80 is: 12,098,258.95
Step by Step Solution
- Step 1: Write the proportion equation
25,101,986.60 : 37,658,228.70 = 8,064,381.80 : x - Step 2: Convert to fraction form
25,101,986.60/37,658,228.70 = 8,064,381.80/x - Step 3: Cross multiply
25,101,986.60x = 37,658,228.70 × 8,064,381.80 - Step 4: Simplify right side
25,101,986.60x = 303,690,334,148,517.69 - Step 5: Solve for x
x = 303,690,334,148,517.69/25,101,986.60 - Step 6: Final answer
x = 12,098,258.95
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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.