Finding the Fourth Proportional to 13,614,409.29, 18,787,885.06 and 7,502,837.79
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Solution
The fourth proportional to 13,614,409.29, 18,787,885.06 and 7,502,837.79 is: 10,353,916.28
Step by Step Solution
- Step 1: Write the proportion equation
13,614,409.29 : 18,787,885.06 = 7,502,837.79 : x - Step 2: Convert to fraction form
13,614,409.29/18,787,885.06 = 7,502,837.79/x - Step 3: Cross multiply
13,614,409.29x = 18,787,885.06 × 7,502,837.79 - Step 4: Simplify right side
13,614,409.29x = 140,962,454,022,344.41 - Step 5: Solve for x
x = 140,962,454,022,344.41/13,614,409.29 - Step 6: Final answer
x = 10,353,916.28
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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.