Finding the Fourth Proportional to 10,948,607.73, 15,108,987.11 and 6,303,303.09
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Solution
The fourth proportional to 10,948,607.73, 15,108,987.11 and 6,303,303.09 is: 8,698,505.55
Step by Step Solution
- Step 1: Write the proportion equation
10,948,607.73 : 15,108,987.11 = 6,303,303.09 : x - Step 2: Convert to fraction form
10,948,607.73/15,108,987.11 = 6,303,303.09/x - Step 3: Cross multiply
10,948,607.73x = 15,108,987.11 × 6,303,303.09 - Step 4: Simplify right side
10,948,607.73x = 95,236,525,105,716.66 - Step 5: Solve for x
x = 95,236,525,105,716.66/10,948,607.73 - Step 6: Final answer
x = 8,698,505.55
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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.