Finding the Fourth Proportional to 28,759,283.98, 39,688,791.18 and 17,008,625.26
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Solution
The fourth proportional to 28,759,283.98, 39,688,791.18 and 17,008,625.26 is: 23,472,482.02
Step by Step Solution
- Step 1: Write the proportion equation
28,759,283.98 : 39,688,791.18 = 17,008,625.26 : x - Step 2: Convert to fraction form
28,759,283.98/39,688,791.18 = 17,008,625.26/x - Step 3: Cross multiply
28,759,283.98x = 39,688,791.18 × 17,008,625.26 - Step 4: Simplify right side
28,759,283.98x = 675,051,776,203,013.25 - Step 5: Solve for x
x = 675,051,776,203,013.25/28,759,283.98 - Step 6: Final answer
x = 23,472,482.02
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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.