Finding the Fourth Proportional to 7,032,257.28, 10,548,794.16 and 2,714,331.96
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Solution
The fourth proportional to 7,032,257.28, 10,548,794.16 and 2,714,331.96 is: 4,071,655.51
Step by Step Solution
- Step 1: Write the proportion equation
7,032,257.28 : 10,548,794.16 = 2,714,331.96 : x - Step 2: Convert to fraction form
7,032,257.28/10,548,794.16 = 2,714,331.96/x - Step 3: Cross multiply
7,032,257.28x = 10,548,794.16 × 2,714,331.96 - Step 4: Simplify right side
7,032,257.28x = 28,632,929,127,949.36 - Step 5: Solve for x
x = 28,632,929,127,949.36/7,032,257.28 - Step 6: Final answer
x = 4,071,655.51
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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.