Finding the Fourth Proportional to 7,272,351.47, 10,035,922.36 and 4,009,282.96
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Solution
The fourth proportional to 7,272,351.47, 10,035,922.36 and 4,009,282.96 is: 5,532,853.12
Step by Step Solution
- Step 1: Write the proportion equation
7,272,351.47 : 10,035,922.36 = 4,009,282.96 : x - Step 2: Convert to fraction form
7,272,351.47/10,035,922.36 = 4,009,282.96/x - Step 3: Cross multiply
7,272,351.47x = 10,035,922.36 × 4,009,282.96 - Step 4: Simplify right side
7,272,351.47x = 40,236,852,485,784.57 - Step 5: Solve for x
x = 40,236,852,485,784.57/7,272,351.47 - Step 6: Final answer
x = 5,532,853.12
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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.