Finding the Fourth Proportional to 28,135,583.19, 38,826,270.63 and 15,577,197.36
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Solution
The fourth proportional to 28,135,583.19, 38,826,270.63 and 15,577,197.36 is: 21,496,070.51
Step by Step Solution
- Step 1: Write the proportion equation
28,135,583.19 : 38,826,270.63 = 15,577,197.36 : x - Step 2: Convert to fraction form
28,135,583.19/38,826,270.63 = 15,577,197.36/x - Step 3: Cross multiply
28,135,583.19x = 38,826,270.63 × 15,577,197.36 - Step 4: Simplify right side
28,135,583.19x = 604,804,480,162,150.25 - Step 5: Solve for x
x = 604,804,480,162,150.25/28,135,583.19 - Step 6: Final answer
x = 21,496,070.51
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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.