Finding the Fourth Proportional to 43,834,677.84, 65,752,460.64 and 19,574,840.88
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Solution
The fourth proportional to 43,834,677.84, 65,752,460.64 and 19,574,840.88 is: 29,362,459.54
Step by Step Solution
- Step 1: Write the proportion equation
43,834,677.84 : 65,752,460.64 = 19,574,840.88 : x - Step 2: Convert to fraction form
43,834,677.84/65,752,460.64 = 19,574,840.88/x - Step 3: Cross multiply
43,834,677.84x = 65,752,460.64 × 19,574,840.88 - Step 4: Simplify right side
43,834,677.84x = 1,287,093,954,496,463 - Step 5: Solve for x
x = 1,287,093,954,496,463/43,834,677.84 - Step 6: Final answer
x = 29,362,459.54
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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.