Finding the Fourth Proportional to 10,289,562.06, 15,440,321.85 and 4,609,786.41
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Solution
The fourth proportional to 10,289,562.06, 15,440,321.85 and 4,609,786.41 is: 6,917,358.14
Step by Step Solution
- Step 1: Write the proportion equation
10,289,562.06 : 15,440,321.85 = 4,609,786.41 : x - Step 2: Convert to fraction form
10,289,562.06/15,440,321.85 = 4,609,786.41/x - Step 3: Cross multiply
10,289,562.06x = 15,440,321.85 × 4,609,786.41 - Step 4: Simplify right side
10,289,562.06x = 71,176,585,830,156.06 - Step 5: Solve for x
x = 71,176,585,830,156.06/10,289,562.06 - Step 6: Final answer
x = 6,917,358.14
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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.