Finding the Fourth Proportional to 51,106,625.60, 76,680,933.60 and 18,774,017.60
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Solution
The fourth proportional to 51,106,625.60, 76,680,933.60 and 18,774,017.60 is: 28,168,738.99
Step by Step Solution
- Step 1: Write the proportion equation
51,106,625.60 : 76,680,933.60 = 18,774,017.60 : x - Step 2: Convert to fraction form
51,106,625.60/76,680,933.60 = 18,774,017.60/x - Step 3: Cross multiply
51,106,625.60x = 76,680,933.60 × 18,774,017.60 - Step 4: Simplify right side
51,106,625.60x = 1,439,609,196,990,831.25 - Step 5: Solve for x
x = 1,439,609,196,990,831.25/51,106,625.60 - Step 6: Final answer
x = 28,168,738.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.