Finding the Fourth Proportional to 28,472,804.10, 39,292,272.18 and 15,419,764.26
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Solution
The fourth proportional to 28,472,804.10, 39,292,272.18 and 15,419,764.26 is: 21,279,167.73
Step by Step Solution
- Step 1: Write the proportion equation
28,472,804.10 : 39,292,272.18 = 15,419,764.26 : x - Step 2: Convert to fraction form
28,472,804.10/39,292,272.18 = 15,419,764.26/x - Step 3: Cross multiply
28,472,804.10x = 39,292,272.18 × 15,419,764.26 - Step 4: Simplify right side
28,472,804.10x = 605,877,574,255,356.25 - Step 5: Solve for x
x = 605,877,574,255,356.25/28,472,804.10 - Step 6: Final answer
x = 21,279,167.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.