Finding the Fourth Proportional to 7,881,117.93, 10,875,695.99 and 4,620,104.60
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Solution
The fourth proportional to 7,881,117.93, 10,875,695.99 and 4,620,104.60 is: 6,375,599.69
Step by Step Solution
- Step 1: Write the proportion equation
7,881,117.93 : 10,875,695.99 = 4,620,104.60 : x - Step 2: Convert to fraction form
7,881,117.93/10,875,695.99 = 4,620,104.60/x - Step 3: Cross multiply
7,881,117.93x = 10,875,695.99 × 4,620,104.60 - Step 4: Simplify right side
7,881,117.93x = 50,246,852,994,121.55 - Step 5: Solve for x
x = 50,246,852,994,121.55/7,881,117.93 - Step 6: Final answer
x = 6,375,599.69
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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.