Finding the Fourth Proportional to 51,281,827.30, 76,922,740.95 and 14,890,147.30
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Solution
The fourth proportional to 51,281,827.30, 76,922,740.95 and 14,890,147.30 is: 22,335,220.95
Step by Step Solution
- Step 1: Write the proportion equation
51,281,827.30 : 76,922,740.95 = 14,890,147.30 : x - Step 2: Convert to fraction form
51,281,827.30/76,922,740.95 = 14,890,147.30/x - Step 3: Cross multiply
51,281,827.30x = 76,922,740.95 × 14,890,147.30 - Step 4: Simplify right side
51,281,827.30x = 1,145,390,943,465,242 - Step 5: Solve for x
x = 1,145,390,943,465,242/51,281,827.30 - Step 6: Final answer
x = 22,335,220.95
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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.