Finding the Fourth Proportional to 23,064,969.51, 31,824,378.86 and 13,770,734.31
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Solution
The fourth proportional to 23,064,969.51, 31,824,378.86 and 13,770,734.31 is: 19,000,461.53
Step by Step Solution
- Step 1: Write the proportion equation
23,064,969.51 : 31,824,378.86 = 13,770,734.31 : x - Step 2: Convert to fraction form
23,064,969.51/31,824,378.86 = 13,770,734.31/x - Step 3: Cross multiply
23,064,969.51x = 31,824,378.86 × 13,770,734.31 - Step 4: Simplify right side
23,064,969.51x = 438,245,065,792,987.06 - Step 5: Solve for x
x = 438,245,065,792,987.06/23,064,969.51 - Step 6: Final answer
x = 19,000,461.53
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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.