Finding the Fourth Proportional to 7,772,953.13, 10,726,615.38 and 4,288,438.75
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Solution
The fourth proportional to 7,772,953.13, 10,726,615.38 and 4,288,438.75 is: 5,918,012.40
Step by Step Solution
- Step 1: Write the proportion equation
7,772,953.13 : 10,726,615.38 = 4,288,438.75 : x - Step 2: Convert to fraction form
7,772,953.13/10,726,615.38 = 4,288,438.75/x - Step 3: Cross multiply
7,772,953.13x = 10,726,615.38 × 4,288,438.75 - Step 4: Simplify right side
7,772,953.13x = 46,000,432,998,304.91 - Step 5: Solve for x
x = 46,000,432,998,304.91/7,772,953.13 - Step 6: Final answer
x = 5,918,012.40
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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.