Finding the Fourth Proportional to 28,756,722.97, 43,135,465.80 and 9,587,486.17
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Solution
The fourth proportional to 28,756,722.97, 43,135,465.80 and 9,587,486.17 is: 14,381,356.40
Step by Step Solution
- Step 1: Write the proportion equation
28,756,722.97 : 43,135,465.80 = 9,587,486.17 : x - Step 2: Convert to fraction form
28,756,722.97/43,135,465.80 = 9,587,486.17/x - Step 3: Cross multiply
28,756,722.97x = 43,135,465.80 × 9,587,486.17 - Step 4: Simplify right side
28,756,722.97x = 413,560,681,794,007.94 - Step 5: Solve for x
x = 413,560,681,794,007.94/28,756,722.97 - Step 6: Final answer
x = 14,381,356.40
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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.