Finding the Fourth Proportional to 10,810,418.32, 14,918,669.99 and 6,624,030.50
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Solution
The fourth proportional to 10,810,418.32, 14,918,669.99 and 6,624,030.50 is: 9,141,341.44
Step by Step Solution
- Step 1: Write the proportion equation
10,810,418.32 : 14,918,669.99 = 6,624,030.50 : x - Step 2: Convert to fraction form
10,810,418.32/14,918,669.99 = 6,624,030.50/x - Step 3: Cross multiply
10,810,418.32x = 14,918,669.99 × 6,624,030.50 - Step 4: Simplify right side
10,810,418.32x = 98,821,724,945,680.78 - Step 5: Solve for x
x = 98,821,724,945,680.78/10,810,418.32 - Step 6: Final answer
x = 9,141,341.44
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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.