Finding the Fourth Proportional to 19,224,698.70, 28,802,056.05 and 15,207,617.10
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Solution
The fourth proportional to 19,224,698.70, 28,802,056.05 and 15,207,617.10 is: 22,783,745.38
Step by Step Solution
- Step 1: Write the proportion equation
19,224,698.70 : 28,802,056.05 = 15,207,617.10 : x - Step 2: Convert to fraction form
19,224,698.70/28,802,056.05 = 15,207,617.10/x - Step 3: Cross multiply
19,224,698.70x = 28,802,056.05 × 15,207,617.10 - Step 4: Simplify right side
19,224,698.70x = 438,010,640,101,138.44 - Step 5: Solve for x
x = 438,010,640,101,138.44/19,224,698.70 - Step 6: Final answer
x = 22,783,745.38
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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.