Finding the Fourth Proportional to 13,594,801.71, 18,758,631.20 and 7,792,515.75
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Solution
The fourth proportional to 13,594,801.71, 18,758,631.20 and 7,792,515.75 is: 10,752,413.47
Step by Step Solution
- Step 1: Write the proportion equation
13,594,801.71 : 18,758,631.20 = 7,792,515.75 : x - Step 2: Convert to fraction form
13,594,801.71/18,758,631.20 = 7,792,515.75/x - Step 3: Cross multiply
13,594,801.71x = 18,758,631.20 × 7,792,515.75 - Step 4: Simplify right side
13,594,801.71x = 146,176,929,035,478.81 - Step 5: Solve for x
x = 146,176,929,035,478.81/13,594,801.71 - Step 6: Final answer
x = 10,752,413.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.