Finding the Fourth Proportional to 7,648,032.04, 11,471,970.30 and 1,968,234.28
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Solution
The fourth proportional to 7,648,032.04, 11,471,970.30 and 1,968,234.28 is: 2,952,331.41
Step by Step Solution
- Step 1: Write the proportion equation
7,648,032.04 : 11,471,970.30 = 1,968,234.28 : x - Step 2: Convert to fraction form
7,648,032.04/11,471,970.30 = 1,968,234.28/x - Step 3: Cross multiply
7,648,032.04x = 11,471,970.30 × 1,968,234.28 - Step 4: Simplify right side
7,648,032.04x = 22,579,525,203,601.89 - Step 5: Solve for x
x = 22,579,525,203,601.89/7,648,032.04 - Step 6: Final answer
x = 2,952,331.41
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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.