Finding the Fourth Proportional to 12,101,683, 18,157,885.05 and 6,343,048.09
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Solution
The fourth proportional to 12,101,683, 18,157,885.05 and 6,343,048.09 is: 9,517,381.85
Step by Step Solution
- Step 1: Write the proportion equation
12,101,683 : 18,157,885.05 = 6,343,048.09 : x - Step 2: Convert to fraction form
12,101,683/18,157,885.05 = 6,343,048.09/x - Step 3: Cross multiply
12,101,683x = 18,157,885.05 × 6,343,048.09 - Step 4: Simplify right side
12,101,683x = 115,176,338,084,842.06 - Step 5: Solve for x
x = 115,176,338,084,842.06/12,101,683 - Step 6: Final answer
x = 9,517,381.85
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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.