Finding the Fourth Proportional to 19,323,621.97, 26,666,441.13 and 10,621,702.06
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Solution
The fourth proportional to 19,323,621.97, 26,666,441.13 and 10,621,702.06 is: 14,657,862.44
Step by Step Solution
- Step 1: Write the proportion equation
19,323,621.97 : 26,666,441.13 = 10,621,702.06 : x - Step 2: Convert to fraction form
19,323,621.97/26,666,441.13 = 10,621,702.06/x - Step 3: Cross multiply
19,323,621.97x = 26,666,441.13 × 10,621,702.06 - Step 4: Simplify right side
19,323,621.97x = 283,242,992,683,389.75 - Step 5: Solve for x
x = 283,242,992,683,389.75/19,323,621.97 - Step 6: Final answer
x = 14,657,862.44
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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.