Finding the Fourth Proportional to 30,542,263.97, 45,752,055.47 and 14,124,536.14
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Solution
The fourth proportional to 30,542,263.97, 45,752,055.47 and 14,124,536.14 is: 21,158,436.77
Step by Step Solution
- Step 1: Write the proportion equation
30,542,263.97 : 45,752,055.47 = 14,124,536.14 : x - Step 2: Convert to fraction form
30,542,263.97/45,752,055.47 = 14,124,536.14/x - Step 3: Cross multiply
30,542,263.97x = 45,752,055.47 × 14,124,536.14 - Step 4: Simplify right side
30,542,263.97x = 646,226,560,998,499.50 - Step 5: Solve for x
x = 646,226,560,998,499.50/30,542,263.97 - Step 6: Final answer
x = 21,158,436.77
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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.