Finding the Fourth Proportional to 51,281,827.80, 76,922,741.70 and 14,890,147.80
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Solution
The fourth proportional to 51,281,827.80, 76,922,741.70 and 14,890,147.80 is: 22,335,221.70
Step by Step Solution
- Step 1: Write the proportion equation
51,281,827.80 : 76,922,741.70 = 14,890,147.80 : x - Step 2: Convert to fraction form
51,281,827.80/76,922,741.70 = 14,890,147.80/x - Step 3: Cross multiply
51,281,827.80x = 76,922,741.70 × 14,890,147.80 - Step 4: Simplify right side
51,281,827.80x = 1,145,390,993,094,223.25 - Step 5: Solve for x
x = 1,145,390,993,094,223.25/51,281,827.80 - Step 6: Final answer
x = 22,335,221.70
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1.5x scale
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.