Finding the Fourth Proportional to 7,957,399.16, 11,938,427.88 and 2,565,941.18
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Solution
The fourth proportional to 7,957,399.16, 11,938,427.88 and 2,565,941.18 is: 3,849,662.82
Step by Step Solution
- Step 1: Write the proportion equation
7,957,399.16 : 11,938,427.88 = 2,565,941.18 : x - Step 2: Convert to fraction form
7,957,399.16/11,938,427.88 = 2,565,941.18/x - Step 3: Cross multiply
7,957,399.16x = 11,938,427.88 × 2,565,941.18 - Step 4: Simplify right side
7,957,399.16x = 30,633,303,721,752.10 - Step 5: Solve for x
x = 30,633,303,721,752.10/7,957,399.16 - Step 6: Final answer
x = 3,849,662.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.